1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | |
3 | * |
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4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | Copyright (C) 2001 Mark Wedel |
5 | * Copyright (©) 2001 Mark Wedel |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992 Frank Tore Johansen |
6 | |
7 | * |
7 | This program is free software; you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | (at your option) any later version. |
11 | * option) any later version. |
11 | |
12 | * |
12 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
16 | |
17 | * |
17 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
18 | along with this program; if not, write to the Free Software |
19 | * and the GNU General Public License along with this program. If not, see |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * <http://www.gnu.org/licenses/>. |
20 | |
21 | * |
21 | The author can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
23 | */ |
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24 | |
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25 | //+GPL |
23 | |
26 | |
24 | /** |
27 | /** |
25 | * \file |
28 | * \file |
26 | * Client handling. |
29 | * Client handling. |
27 | * |
30 | * |
… | |
… | |
35 | * have the prototype of (char *data, int datalen, int client_num). This |
38 | * have the prototype of (char *data, int datalen, int client_num). This |
36 | * way, we can use one dispatch table. |
39 | * way, we can use one dispatch table. |
37 | * |
40 | * |
38 | * esrv_map_new starts updating the map |
41 | * esrv_map_new starts updating the map |
39 | * |
42 | * |
40 | * esrv_map_setbelow allows filling in all of the faces for the map. |
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41 | * if a face has not already been sent to the client, it is sent now. |
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42 | * |
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43 | */ |
43 | */ |
44 | |
44 | |
45 | #include <global.h> |
45 | #include <global.h> |
46 | #include <sproto.h> |
46 | #include <sproto.h> |
47 | |
47 | |
48 | #include <living.h> |
48 | #include <living.h> |
49 | #include <commands.h> |
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50 | |
49 | |
51 | /* This block is basically taken from socket.c - I assume if it works there, |
50 | /* This block is basically taken from socket.c - I assume if it works there, |
52 | * it should work here. |
51 | * it should work here. |
53 | */ |
52 | */ |
54 | #include <sys/types.h> |
53 | #include <sys/types.h> |
… | |
… | |
66 | * This table translates the attack numbers as used within the |
65 | * This table translates the attack numbers as used within the |
67 | * program to the value we use when sending STATS command to the |
66 | * program to the value we use when sending STATS command to the |
68 | * client. If a value is -1, then we don't send that to the |
67 | * client. If a value is -1, then we don't send that to the |
69 | * client. |
68 | * client. |
70 | */ |
69 | */ |
71 | short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, |
70 | static short atnr_cs_stat[NROFATTACKS] = |
72 | CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, |
71 | { |
73 | CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, |
72 | CS_STAT_RES_PHYS, |
74 | CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , |
73 | CS_STAT_RES_MAG, |
75 | CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, |
74 | CS_STAT_RES_FIRE, |
76 | CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, |
75 | CS_STAT_RES_ELEC, |
77 | CS_STAT_RES_FEAR, -1 /* Cancellation */ , |
76 | CS_STAT_RES_COLD, |
78 | CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, |
77 | CS_STAT_RES_CONF, |
79 | -1 /* Chaos */ , -1 /* Counterspell */ , |
78 | CS_STAT_RES_ACID, |
80 | -1 /* Godpower */ , CS_STAT_RES_HOLYWORD, |
79 | CS_STAT_RES_DRAIN, |
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80 | -1 /* weaponmagic */, |
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81 | CS_STAT_RES_GHOSTHIT, |
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82 | CS_STAT_RES_POISON, |
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83 | CS_STAT_RES_SLOW, |
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84 | CS_STAT_RES_PARA, |
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85 | CS_STAT_TURN_UNDEAD, |
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86 | CS_STAT_RES_FEAR, |
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87 | -1 /* Cancellation */, |
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88 | CS_STAT_RES_DEPLETE, |
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89 | CS_STAT_RES_DEATH, |
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90 | -1 /* Chaos */, |
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91 | -1 /* Counterspell */, |
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92 | -1 /* Godpower */, |
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93 | CS_STAT_RES_HOLYWORD, |
81 | CS_STAT_RES_BLIND, |
94 | CS_STAT_RES_BLIND, |
82 | -1, /* Internal */ |
95 | -1, /* Internal */ |
83 | -1, /* life stealing */ |
96 | -1, /* life stealing */ |
84 | -1 /* Disease - not fully done yet */ |
97 | -1 /* Disease - not fully done yet */ |
85 | }; |
98 | }; |
… | |
… | |
100 | * that much difference in bandwidth. |
113 | * that much difference in bandwidth. |
101 | */ |
114 | */ |
102 | mx = ns->mapx; |
115 | mx = ns->mapx; |
103 | my = ns->mapy; |
116 | my = ns->mapy; |
104 | |
117 | |
105 | if (ns->mapmode == Map1aCmd) |
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106 | { |
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107 | mx += MAX_HEAD_OFFSET; |
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108 | my += MAX_HEAD_OFFSET; |
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109 | } |
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110 | |
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111 | /* the x and y here are coordinates for the new map, i.e. if we moved |
118 | /* the x and y here are coordinates for the new map, i.e. if we moved |
112 | * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, |
119 | * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, |
113 | * if the destination x or y coordinate is outside the viewable |
120 | * if the destination x or y coordinate is outside the viewable |
114 | * area, we clear the values - otherwise, the old values |
121 | * area, we clear the values - otherwise, the old values |
115 | * are preserved, and the check_head thinks it needs to clear them. |
122 | * are preserved, and the check_head thinks it needs to clear them. |
116 | */ |
123 | */ |
117 | for (x = 0; x < mx; x++) |
124 | for (x = 0; x < mx; x++) |
118 | { |
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119 | for (y = 0; y < my; y++) |
125 | for (y = 0; y < my; y++) |
120 | { |
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121 | if (x >= ns->mapx || y >= ns->mapy) |
126 | if (x >= ns->mapx || y >= ns->mapy) |
122 | /* clear cells outside the viewable area */ |
127 | /* clear cells outside the viewable area */ |
123 | memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); |
128 | memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); |
124 | else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) |
129 | else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) |
125 | /* clear newly visible tiles within the viewable area */ |
130 | /* clear newly visible tiles within the viewable area */ |
126 | memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); |
131 | memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); |
127 | else |
132 | else |
128 | memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); |
133 | memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); |
129 | } |
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130 | } |
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131 | |
134 | |
132 | memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); |
135 | memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); |
133 | |
136 | |
134 | /* Make sure that the next "map1" command will be sent (even if it is |
137 | /* Make sure that the next "map1" command will be sent (even if it is |
135 | * empty). |
138 | * empty). |
… | |
… | |
138 | } |
141 | } |
139 | |
142 | |
140 | static void |
143 | static void |
141 | clear_map (player *pl) |
144 | clear_map (player *pl) |
142 | { |
145 | { |
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146 | pl->ns->mapinfo_queue_clear (); |
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147 | |
143 | memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); |
148 | memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); |
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149 | |
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150 | pl->ns->force_newmap = false; |
144 | |
151 | |
145 | if (pl->ns->newmapcmd == 1) |
152 | if (pl->ns->newmapcmd == 1) |
146 | pl->ns->send_packet ("newmap"); |
153 | pl->ns->send_packet ("newmap"); |
147 | |
154 | |
148 | pl->ns->floorbox_reset (); |
155 | pl->ns->floorbox_reset (); |
149 | } |
156 | } |
150 | |
157 | |
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158 | static void |
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159 | send_map_info (player *pl) |
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160 | { |
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161 | client &socket = *pl->ns; |
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162 | object *ob = pl->viewpoint; |
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163 | |
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164 | if (socket.mapinfocmd) |
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165 | { |
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166 | if (ob->map && ob->map->path[0]) |
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167 | { |
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168 | int flags = 0; |
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169 | |
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170 | if (ob->map->tile_path[0]) flags |= 1; |
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171 | if (ob->map->tile_path[1]) flags |= 2; |
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172 | if (ob->map->tile_path[2]) flags |= 4; |
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173 | if (ob->map->tile_path[3]) flags |= 8; |
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174 | |
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175 | socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s", |
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176 | flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, |
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177 | ob->map->width, ob->map->height, &ob->map->path); |
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178 | } |
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179 | else |
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180 | socket.send_packet ("mapinfo current"); |
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181 | } |
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182 | } |
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183 | |
151 | /** check for map change and send new map data */ |
184 | /** check for map/region change and send new map data */ |
152 | static void |
185 | static void |
153 | check_map_change (player *pl) |
186 | check_map_change (player *pl) |
154 | { |
187 | { |
155 | client &socket = *pl->ns; |
188 | client &socket = *pl->ns; |
156 | object *ob = pl->ob; |
189 | object *ob = pl->viewpoint; |
157 | char buf[MAX_BUF]; /* eauugggh */ |
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158 | |
190 | |
159 | if (socket.current_map != ob->map) |
191 | region *reg = ob->region (); |
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192 | if (socket.current_region != reg) |
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193 | { |
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194 | INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region)); |
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195 | socket.current_region = reg; |
160 | { |
196 | } |
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197 | |
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198 | // first try to aovid a full newmap on tiled map scrolls |
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199 | if (socket.current_map != ob->map && !socket.force_newmap) |
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200 | { |
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201 | rv_vector rv; |
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202 | |
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203 | get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0); |
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204 | |
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205 | // manhattan distance is very handy here |
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206 | if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient |
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207 | { |
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208 | socket.current_map = ob->map; |
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209 | socket.current_x = ob->x; |
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210 | socket.current_y = ob->y; |
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211 | |
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212 | socket_map_scroll (&socket, rv.distance_x, rv.distance_y); |
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213 | socket.floorbox_reset (); |
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214 | send_map_info (pl); |
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215 | } |
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216 | } |
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217 | |
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218 | if (socket.current_map != ob->map || socket.force_newmap) |
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219 | { |
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220 | clear_map (pl); |
161 | socket.current_map = ob->map; |
221 | socket.current_map = ob->map; |
162 | |
222 | send_map_info (pl); |
163 | clear_map (pl); |
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164 | |
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165 | if (socket.mapinfocmd) |
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166 | { |
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167 | if (ob->map && ob->map->path[0]) |
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168 | { |
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169 | int flags = 0; |
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170 | |
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171 | if (ob->map->tile_path[0]) |
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172 | flags |= 1; |
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173 | if (ob->map->tile_path[1]) |
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174 | flags |= 2; |
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175 | if (ob->map->tile_path[2]) |
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176 | flags |= 4; |
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177 | if (ob->map->tile_path[3]) |
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178 | flags |= 8; |
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179 | |
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180 | snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", |
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181 | flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path); |
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182 | } |
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183 | else |
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184 | snprintf (buf, MAX_BUF, "mapinfo current"); |
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185 | |
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186 | socket.send_packet (buf); |
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187 | } |
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188 | } |
223 | } |
189 | else if (socket.current_x != ob->x || socket.current_y != ob->y) |
224 | else if (socket.current_x != ob->x || socket.current_y != ob->y) |
190 | { |
225 | { |
191 | int dx = ob->x - socket.current_x; |
226 | int dx = ob->x - socket.current_x; |
192 | int dy = ob->y - socket.current_y; |
227 | int dy = ob->y - socket.current_y; |
193 | |
228 | |
194 | if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8)) |
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195 | clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows |
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196 | else |
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197 | { |
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198 | socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); |
229 | socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); |
199 | socket.floorbox_reset (); |
230 | socket.floorbox_reset (); |
200 | } |
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201 | } |
231 | } |
202 | |
232 | |
203 | socket.current_x = ob->x; |
233 | socket.current_x = ob->x; |
204 | socket.current_y = ob->y; |
234 | socket.current_y = ob->y; |
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235 | } |
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236 | |
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237 | /** |
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238 | * This sends the skill number to name mapping. We ignore |
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239 | * the params - we always send the same info no matter what. |
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240 | */ |
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241 | static void |
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242 | send_skill_info (client *ns, char *params) |
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243 | { |
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244 | packet sl; |
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245 | sl << "replyinfo skill_info\n"; |
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246 | |
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247 | for (int i = 0; i < skillvec.size (); ++i) |
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248 | sl.printf ("%d:%s\n", CS_STAT_SKILLINFO + i, &skillvec [i]->name); |
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249 | |
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250 | if (sl.length () > MAXSOCKBUF) |
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251 | cleanup ("buffer overflow in send_skill_info!"); |
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252 | |
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253 | ns->send_packet (sl); |
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254 | } |
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255 | |
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256 | /** |
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257 | * This sends the spell path to name mapping. We ignore |
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258 | * the params - we always send the same info no matter what. |
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259 | */ |
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260 | static void |
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261 | send_spell_paths (client * ns, char *params) |
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262 | { |
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263 | packet sl; |
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264 | |
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265 | sl << "replyinfo spell_paths\n"; |
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266 | |
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267 | for (int i = 0; i < NRSPELLPATHS; i++) |
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268 | sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]); |
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269 | |
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270 | if (sl.length () > MAXSOCKBUF) |
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271 | cleanup ("buffer overflow in send_spell_paths!"); |
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272 | |
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273 | ns->send_packet (sl); |
205 | } |
274 | } |
206 | |
275 | |
207 | /** |
276 | /** |
208 | * RequestInfo is sort of a meta command. There is some specific |
277 | * RequestInfo is sort of a meta command. There is some specific |
209 | * request of information, but we call other functions to provide |
278 | * request of information, but we call other functions to provide |
210 | * that information. |
279 | * that information. |
211 | */ |
280 | */ |
212 | void |
281 | void |
213 | RequestInfo (char *buf, int len, client * ns) |
282 | RequestInfo (char *buf, int len, client *ns) |
214 | { |
283 | { |
215 | char *params = NULL, *cp; |
284 | char *params; |
216 | |
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217 | /* No match */ |
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218 | char bigbuf[MAX_BUF]; |
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219 | int slen; |
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220 | |
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221 | /* Set up replyinfo before we modify any of the buffers - this is used |
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222 | * if we don't find a match. |
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223 | */ |
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224 | strcpy (bigbuf, "replyinfo "); |
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225 | slen = strlen (bigbuf); |
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226 | safe_strcat (bigbuf, buf, &slen, MAX_BUF); |
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227 | |
285 | |
228 | /* find the first space, make it null, and update the |
286 | /* find the first space, make it null, and update the |
229 | * params pointer. |
287 | * params pointer. |
230 | */ |
288 | */ |
231 | for (cp = buf; *cp != '\0'; cp++) |
289 | for (params = buf; *params; params++) |
232 | if (*cp == ' ') |
290 | if (*params == ' ') |
233 | { |
291 | { |
234 | *cp = '\0'; |
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235 | params = cp + 1; |
292 | *params++ = 0; |
236 | break; |
293 | break; |
237 | } |
294 | } |
238 | |
295 | |
239 | if (!strcmp (buf, "image_info")) |
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240 | send_image_info (ns, params); |
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241 | else if (!strcmp (buf, "image_sums")) |
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242 | send_image_sums (ns, params); |
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243 | else if (!strcmp (buf, "skill_info")) |
296 | if (!strcmp (buf, "skill_info")) |
244 | send_skill_info (ns, params); |
297 | send_skill_info (ns, params); |
245 | else if (!strcmp (buf, "spell_paths")) |
298 | else if (!strcmp (buf, "spell_paths")) |
246 | send_spell_paths (ns, params); |
299 | send_spell_paths (ns, params); |
247 | else |
300 | else |
248 | ns->send_packet (bigbuf, len); |
301 | { |
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302 | // undo tokenisation above and send replyinfo with the request unchanged |
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303 | if (*params) |
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304 | *--params = ' '; |
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305 | |
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306 | ns->send_packet_printf ("replyinfo %s", buf); |
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307 | } |
249 | } |
308 | } |
250 | |
309 | |
251 | void |
310 | void |
252 | ExtCmd (char *buf, int len, player *pl) |
311 | ExtCmd (char *buf, int len, player *pl) |
253 | { |
312 | { |
… | |
… | |
256 | |
315 | |
257 | void |
316 | void |
258 | ExtiCmd (char *buf, int len, client *ns) |
317 | ExtiCmd (char *buf, int len, client *ns) |
259 | { |
318 | { |
260 | INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); |
319 | INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); |
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320 | } |
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321 | |
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322 | //-GPL |
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323 | |
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324 | void |
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325 | client::mapinfo_queue_clear () |
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326 | { |
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327 | for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i) |
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328 | free (*i); |
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329 | |
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330 | mapinfo_queue.clear (); |
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331 | } |
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332 | |
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333 | bool |
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334 | client::mapinfo_try (char *buf) |
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335 | { |
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336 | char *token = buf; |
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337 | buf += strlen (buf) + 9; |
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338 | |
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339 | // initial map and its origin |
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340 | maptile *map = pl->viewpoint->map; |
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341 | int mapx = pl->ns->mapx / 2 - pl->viewpoint->x; |
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342 | int mapy = pl->ns->mapy / 2 - pl->viewpoint->y; |
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343 | int max_distance = 8; // limit maximum path length to something generous |
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344 | |
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|
345 | while (*buf && map && max_distance) |
|
|
346 | { |
|
|
347 | int dir = *buf++ - '1'; |
|
|
348 | |
|
|
349 | if (dir >= 0 && dir <= 3) |
|
|
350 | { |
|
|
351 | if (!map->tile_path [dir]) |
|
|
352 | map = 0; |
|
|
353 | else if (map->tile_available (dir, false)) |
|
|
354 | { |
|
|
355 | maptile *neigh = map->tile_map [dir]; |
|
|
356 | |
|
|
357 | switch (dir) |
|
|
358 | { |
|
|
359 | case 0: mapy -= neigh->height; break; |
|
|
360 | case 2: mapy += map ->height; break; |
|
|
361 | case 3: mapx -= neigh->width ; break; |
|
|
362 | case 1: mapx += map ->width ; break; |
|
|
363 | } |
|
|
364 | |
|
|
365 | map = neigh; |
|
|
366 | --max_distance; |
|
|
367 | } |
|
|
368 | else |
|
|
369 | return 0; |
|
|
370 | } |
|
|
371 | else |
|
|
372 | max_distance = 0; |
|
|
373 | } |
|
|
374 | |
|
|
375 | if (!max_distance) |
|
|
376 | send_packet_printf ("mapinfo %s error", token); |
|
|
377 | else if (!map || !map->path) |
|
|
378 | send_packet_printf ("mapinfo %s nomap", token); |
|
|
379 | else |
|
|
380 | { |
|
|
381 | int flags = 0; |
|
|
382 | |
|
|
383 | if (map->tile_path[0]) flags |= 1; |
|
|
384 | if (map->tile_path[1]) flags |= 2; |
|
|
385 | if (map->tile_path[2]) flags |= 4; |
|
|
386 | if (map->tile_path[3]) flags |= 8; |
|
|
387 | |
|
|
388 | send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path); |
|
|
389 | } |
|
|
390 | |
|
|
391 | return 1; |
|
|
392 | } |
|
|
393 | |
|
|
394 | void |
|
|
395 | client::mapinfo_queue_run () |
|
|
396 | { |
|
|
397 | if (mapinfo_queue.empty () || !pl) |
|
|
398 | return; |
|
|
399 | |
|
|
400 | for (int i = 0; i < mapinfo_queue.size (); ++i) |
|
|
401 | if (mapinfo_try (mapinfo_queue [i])) |
|
|
402 | { |
|
|
403 | free (mapinfo_queue [i]); |
|
|
404 | mapinfo_queue.erase (i); |
|
|
405 | } |
|
|
406 | else |
|
|
407 | ++i; |
261 | } |
408 | } |
262 | |
409 | |
263 | void |
410 | void |
264 | MapInfoCmd (char *buf, int len, player *pl) |
411 | MapInfoCmd (char *buf, int len, player *pl) |
265 | { |
412 | { |
266 | // <mapinfo tag spatial tile-path |
413 | // <mapinfo tag spatial tile-path |
267 | // >mapinfo tag spatial flags x y w h hash |
414 | // >mapinfo tag spatial flags x y w h hash |
268 | |
415 | |
269 | char bigbuf[MAX_BUF], *token; |
|
|
270 | |
|
|
271 | token = buf; |
416 | char *token = buf; |
272 | // copy token |
417 | |
273 | if (!(buf = strchr (buf, ' '))) |
418 | if (!(buf = strchr (buf, ' '))) |
274 | return; |
419 | return; |
275 | |
420 | |
276 | *buf++ = 0; |
|
|
277 | |
|
|
278 | if (!strncmp (buf, "spatial ", 8)) |
421 | if (!strncmp (buf, " spatial ", 9)) |
279 | { |
422 | { |
280 | buf += 8; |
423 | char *copy = strdup (token); |
|
|
424 | copy [buf - token] = 0; |
281 | |
425 | |
282 | // initial map and its origin |
426 | #if 0 |
283 | maptile *map = pl->ob->map; |
427 | // this makes only sense when we flush the buffer immediately |
284 | sint16 dx, dy; |
428 | if (pl->ns->mapinfo_try (copy)) |
285 | int mapx = pl->ns->mapx / 2 - pl->ob->x; |
429 | free (copy); |
286 | int mapy = pl->ns->mapy / 2 - pl->ob->y; |
|
|
287 | int max_distance = 8; // limit maximum path length to something generous |
|
|
288 | |
|
|
289 | while (*buf && map && max_distance) |
|
|
290 | { |
|
|
291 | int dir = *buf++; |
|
|
292 | |
|
|
293 | switch (dir) |
|
|
294 | { |
|
|
295 | case '1': |
|
|
296 | dx = 0; |
|
|
297 | dy = -1; |
|
|
298 | map = get_map_from_coord (map, &dx, &dy); |
|
|
299 | map && (mapy -= map->height); |
|
|
300 | break; |
|
|
301 | case '2': |
|
|
302 | mapx += map->width; |
|
|
303 | dx = map->width; |
|
|
304 | dy = 0; |
|
|
305 | map = get_map_from_coord (map, &dx, &dy); |
|
|
306 | break; |
|
|
307 | case '3': |
|
|
308 | mapy += map->height; |
|
|
309 | dx = 0; |
|
|
310 | dy = map->height; |
|
|
311 | map = get_map_from_coord (map, &dx, &dy); |
|
|
312 | break; |
|
|
313 | case '4': |
|
|
314 | dx = -1; |
|
|
315 | dy = 0; |
|
|
316 | map = get_map_from_coord (map, &dx, &dy); |
|
|
317 | map && (mapx -= map->width); |
|
|
318 | break; |
|
|
319 | } |
|
|
320 | |
|
|
321 | --max_distance; |
|
|
322 | } |
|
|
323 | |
|
|
324 | if (!max_distance) |
|
|
325 | snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token); |
|
|
326 | else if (map && map->path[0]) |
|
|
327 | { |
|
|
328 | int flags = 0; |
|
|
329 | |
|
|
330 | if (map->tile_path[0]) |
|
|
331 | flags |= 1; |
|
|
332 | if (map->tile_path[1]) |
|
|
333 | flags |= 2; |
|
|
334 | if (map->tile_path[2]) |
|
|
335 | flags |= 4; |
|
|
336 | if (map->tile_path[3]) |
|
|
337 | flags |= 8; |
|
|
338 | |
|
|
339 | snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path); |
|
|
340 | } |
|
|
341 | else |
430 | else |
342 | snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); |
431 | #endif |
|
|
432 | pl->ns->mapinfo_queue.push_back (copy); |
343 | } |
433 | } |
344 | else |
434 | else |
345 | snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); |
435 | pl->ns->send_packet_printf ("mapinfo %s unsupported", token); |
346 | |
|
|
347 | pl->ns->send_packet (bigbuf); |
|
|
348 | } |
436 | } |
349 | |
437 | |
350 | /** This is the Setup cmd - easy first implementation */ |
438 | /** This is the Setup cmd */ |
351 | void |
439 | void |
352 | SetUp (char *buf, int len, client * ns) |
440 | SetUp (char *buf, int len, client * ns) |
353 | { |
441 | { |
354 | int s, slen; |
442 | INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len)); |
355 | char *cmd, *param, cmdback[HUGE_BUF]; |
|
|
356 | |
|
|
357 | /* run through the cmds of setup |
|
|
358 | * syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
|
|
359 | * |
|
|
360 | * we send the status of the cmd back, or a FALSE is the cmd is the server unknown |
|
|
361 | * The client then must sort this out |
|
|
362 | */ |
|
|
363 | |
|
|
364 | //LOG (llevInfo, "Get SetupCmd:: %s\n", buf); |
|
|
365 | |
|
|
366 | strcpy (cmdback, "setup"); |
|
|
367 | for (s = 0; s < len; ) |
|
|
368 | { |
|
|
369 | cmd = &buf[s]; |
|
|
370 | |
|
|
371 | /* find the next space, and put a null there */ |
|
|
372 | for (; buf[s] && buf[s] != ' '; s++) |
|
|
373 | ; |
|
|
374 | |
|
|
375 | buf[s++] = 0; |
|
|
376 | |
|
|
377 | while (buf[s] == ' ') |
|
|
378 | s++; |
|
|
379 | |
|
|
380 | if (s >= len) |
|
|
381 | break; |
|
|
382 | |
|
|
383 | param = &buf[s]; |
|
|
384 | |
|
|
385 | for (; buf[s] && buf[s] != ' '; s++) |
|
|
386 | ; |
|
|
387 | |
|
|
388 | buf[s++] = 0; |
|
|
389 | |
|
|
390 | while (buf[s] == ' ') |
|
|
391 | s++; |
|
|
392 | |
|
|
393 | slen = strlen (cmdback); |
|
|
394 | safe_strcat (cmdback, " ", &slen, HUGE_BUF); |
|
|
395 | safe_strcat (cmdback, cmd, &slen, HUGE_BUF); |
|
|
396 | safe_strcat (cmdback, " ", &slen, HUGE_BUF); |
|
|
397 | |
|
|
398 | if (!strcmp (cmd, "sound")) |
|
|
399 | { |
|
|
400 | ns->sound = atoi (param); |
|
|
401 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
402 | } |
|
|
403 | else if (!strcmp (cmd, "exp64")) |
|
|
404 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
405 | else if (!strcmp (cmd, "spellmon")) |
|
|
406 | { |
|
|
407 | ns->monitor_spells = atoi (param); |
|
|
408 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
409 | } |
|
|
410 | else if (!strcmp (cmd, "darkness")) |
|
|
411 | { |
|
|
412 | ns->darkness = atoi (param); |
|
|
413 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
414 | } |
|
|
415 | else if (!strcmp (cmd, "map1cmd")) |
|
|
416 | { |
|
|
417 | if (atoi (param)) |
|
|
418 | ns->mapmode = Map1Cmd; |
|
|
419 | /* if beyond this size, need to use map1cmd no matter what */ |
|
|
420 | if (ns->mapx > 11 || ns->mapy > 11) |
|
|
421 | ns->mapmode = Map1Cmd; |
|
|
422 | safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF); |
|
|
423 | } |
|
|
424 | else if (!strcmp (cmd, "map1acmd")) |
|
|
425 | { |
|
|
426 | if (atoi (param)) |
|
|
427 | ns->mapmode = Map1aCmd; |
|
|
428 | /* if beyond this size, need to use map1acmd no matter what */ |
|
|
429 | if (ns->mapx > 11 || ns->mapy > 11) |
|
|
430 | ns->mapmode = Map1aCmd; |
|
|
431 | safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF); |
|
|
432 | } |
|
|
433 | else if (!strcmp (cmd, "newmapcmd")) |
|
|
434 | { |
|
|
435 | ns->newmapcmd = atoi (param); |
|
|
436 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
437 | // } else if (!strcmp(cmd,"plugincmd")) { |
|
|
438 | // ns->plugincmd = atoi(param); |
|
|
439 | // safe_strcat(cmdback, param, &slen, HUGE_BUF); |
|
|
440 | } |
|
|
441 | else if (!strcmp (cmd, "mapinfocmd")) |
|
|
442 | { |
|
|
443 | ns->mapinfocmd = atoi (param); |
|
|
444 | safe_strcat (cmdback, "1", &slen, HUGE_BUF); |
|
|
445 | } |
|
|
446 | else if (!strcmp (cmd, "extcmd")) |
|
|
447 | { |
|
|
448 | ns->extcmd = atoi (param); |
|
|
449 | safe_strcat (cmdback, "1", &slen, HUGE_BUF); |
|
|
450 | } |
|
|
451 | else if (!strcmp (cmd, "extmap")) |
|
|
452 | { |
|
|
453 | ns->extmap = atoi (param); |
|
|
454 | safe_strcat (cmdback, "1", &slen, HUGE_BUF); |
|
|
455 | } |
|
|
456 | else if (!strcmp (cmd, "facecache")) |
|
|
457 | { |
|
|
458 | ns->facecache = atoi (param); |
|
|
459 | safe_strcat (cmdback, param, &slen, HUGE_BUF); |
|
|
460 | } |
|
|
461 | else if (!strcmp (cmd, "faceset")) |
|
|
462 | { |
|
|
463 | char tmpbuf[20]; |
|
|
464 | int q = atoi (param); |
|
|
465 | |
|
|
466 | if (is_valid_faceset (q)) |
|
|
467 | ns->faceset = q; |
|
|
468 | sprintf (tmpbuf, "%d", ns->faceset); |
|
|
469 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
470 | /* if the client is using faceset, it knows about image2 command */ |
|
|
471 | ns->image2 = 1; |
|
|
472 | } |
|
|
473 | else if (!strcmp (cmd, "itemcmd")) |
|
|
474 | { |
|
|
475 | /* Version of the item protocol command to use. Currently, |
|
|
476 | * only supported versions are 1 and 2. Using a numeric |
|
|
477 | * value will make it very easy to extend this in the future. |
|
|
478 | */ |
|
|
479 | char tmpbuf[20]; |
|
|
480 | int q = atoi (param); |
|
|
481 | |
|
|
482 | if (q < 1 || q > 2) |
|
|
483 | { |
|
|
484 | strcpy (tmpbuf, "FALSE"); |
|
|
485 | } |
|
|
486 | else |
|
|
487 | { |
|
|
488 | ns->itemcmd = q; |
|
|
489 | sprintf (tmpbuf, "%d", ns->itemcmd); |
|
|
490 | } |
|
|
491 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
492 | } |
|
|
493 | else if (!strcmp (cmd, "mapsize")) |
|
|
494 | { |
|
|
495 | int x, y = 0; |
|
|
496 | char tmpbuf[MAX_BUF], *cp; |
|
|
497 | |
|
|
498 | x = atoi (param); |
|
|
499 | for (cp = param; *cp != 0; cp++) |
|
|
500 | if (*cp == 'x' || *cp == 'X') |
|
|
501 | { |
|
|
502 | y = atoi (cp + 1); |
|
|
503 | break; |
|
|
504 | } |
|
|
505 | if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y) |
|
|
506 | { |
|
|
507 | sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y); |
|
|
508 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
509 | } |
|
|
510 | else |
|
|
511 | { |
|
|
512 | ns->mapx = x; |
|
|
513 | ns->mapy = y; |
|
|
514 | /* better to send back what we are really using and not the |
|
|
515 | * param as given to us in case it gets parsed differently. |
|
|
516 | */ |
|
|
517 | sprintf (tmpbuf, "%dx%d", x, y); |
|
|
518 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
519 | /* If beyond this size and still using orig map command, need to |
|
|
520 | * go to map1cmd. |
|
|
521 | */ |
|
|
522 | if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd) |
|
|
523 | ns->mapmode = Map1Cmd; |
|
|
524 | } |
|
|
525 | } |
|
|
526 | else if (!strcmp (cmd, "extendedMapInfos")) |
|
|
527 | { |
|
|
528 | /* Added by tchize |
|
|
529 | * prepare to use the mapextended command |
|
|
530 | */ |
|
|
531 | char tmpbuf[20]; |
|
|
532 | |
|
|
533 | ns->ext_mapinfos = (atoi (param)); |
|
|
534 | sprintf (tmpbuf, "%d", ns->ext_mapinfos); |
|
|
535 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
536 | } |
|
|
537 | else if (!strcmp (cmd, "extendedTextInfos")) |
|
|
538 | { |
|
|
539 | /* Added by tchize |
|
|
540 | * prepare to use the extended text commands |
|
|
541 | * Client toggle this to non zero to get exttext |
|
|
542 | */ |
|
|
543 | char tmpbuf[20]; |
|
|
544 | |
|
|
545 | ns->has_readable_type = (atoi (param)); |
|
|
546 | sprintf (tmpbuf, "%d", ns->has_readable_type); |
|
|
547 | safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF); |
|
|
548 | } |
|
|
549 | else |
|
|
550 | { |
|
|
551 | /* Didn't get a setup command we understood - |
|
|
552 | * report a failure to the client. |
|
|
553 | */ |
|
|
554 | safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF); |
|
|
555 | } |
|
|
556 | } /* for processing all the setup commands */ |
|
|
557 | |
|
|
558 | LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback); |
|
|
559 | ns->send_packet (cmdback); |
|
|
560 | } |
443 | } |
561 | |
444 | |
562 | /** |
445 | /** |
563 | * The client has requested to be added to the game. |
446 | * The client has requested to be added to the game. |
564 | * This is what takes care of it. We tell the client how things worked out. |
447 | * This is what takes care of it. We tell the client how things worked out. |
565 | * I am not sure if this file is the best place for this function. however, |
448 | * I am not sure if this file is the best place for this function. however, |
566 | * it either has to be here or init_sockets needs to be exported. |
449 | * it either has to be here or init_sockets needs to be exported. |
567 | */ |
450 | */ |
568 | void |
451 | void |
569 | AddMeCmd (char *buf, int len, client * ns) |
452 | AddMeCmd (char *buf, int len, client *ns) |
570 | { |
453 | { |
571 | INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); |
454 | INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); |
572 | } |
455 | } |
573 | |
456 | |
574 | /** Reply to ExtendedInfos command */ |
457 | //+GPL |
575 | void |
|
|
576 | ToggleExtendedInfos (char *buf, int len, client * ns) |
|
|
577 | { |
|
|
578 | char cmdback[MAX_BUF]; |
|
|
579 | char command[50]; |
|
|
580 | int info, nextinfo; |
|
|
581 | |
|
|
582 | cmdback[0] = '\0'; |
|
|
583 | nextinfo = 0; |
|
|
584 | |
|
|
585 | while (1) |
|
|
586 | { |
|
|
587 | /* 1. Extract an info */ |
|
|
588 | info = nextinfo; |
|
|
589 | |
|
|
590 | while ((info < len) && (buf[info] == ' ')) |
|
|
591 | info++; |
|
|
592 | |
|
|
593 | if (info >= len) |
|
|
594 | break; |
|
|
595 | |
|
|
596 | nextinfo = info + 1; |
|
|
597 | |
|
|
598 | while ((nextinfo < len) && (buf[nextinfo] != ' ')) |
|
|
599 | nextinfo++; |
|
|
600 | |
|
|
601 | if (nextinfo - info >= 49) /*Erroneous info asked */ |
|
|
602 | continue; |
|
|
603 | |
|
|
604 | strncpy (command, &(buf[info]), nextinfo - info); |
|
|
605 | |
|
|
606 | /* 2. Interpret info */ |
|
|
607 | if (!strcmp ("smooth", command)) |
|
|
608 | /* Toggle smoothing */ |
|
|
609 | ns->EMI_smooth = !ns->EMI_smooth; |
|
|
610 | else |
|
|
611 | /*bad value */; |
|
|
612 | |
|
|
613 | /*3. Next info */ |
|
|
614 | } |
|
|
615 | |
|
|
616 | strcpy (cmdback, "ExtendedInfoSet"); |
|
|
617 | |
|
|
618 | if (ns->EMI_smooth) |
|
|
619 | { |
|
|
620 | strcat (cmdback, " "); |
|
|
621 | strcat (cmdback, "smoothing"); |
|
|
622 | } |
|
|
623 | |
|
|
624 | ns->send_packet (cmdback); |
|
|
625 | } |
|
|
626 | |
|
|
627 | /* |
|
|
628 | #define MSG_TYPE_BOOK 1 |
|
|
629 | #define MSG_TYPE_CARD 2 |
|
|
630 | #define MSG_TYPE_PAPER 3 |
|
|
631 | #define MSG_TYPE_SIGN 4 |
|
|
632 | #define MSG_TYPE_MONUMENT 5 |
|
|
633 | #define MSG_TYPE_SCRIPTED_DIALOG 6*/ |
|
|
634 | |
|
|
635 | /** Reply to ExtendedInfos command */ |
|
|
636 | void |
|
|
637 | ToggleExtendedText (char *buf, int len, client * ns) |
|
|
638 | { |
|
|
639 | char cmdback[MAX_BUF]; |
|
|
640 | char temp[10]; |
|
|
641 | char command[50]; |
|
|
642 | int info, nextinfo, i, flag; |
|
|
643 | |
|
|
644 | cmdback[0] = '\0'; |
|
|
645 | |
|
|
646 | nextinfo = 0; |
|
|
647 | while (1) |
|
|
648 | { |
|
|
649 | /* 1. Extract an info */ |
|
|
650 | info = nextinfo; |
|
|
651 | |
|
|
652 | while ((info < len) && (buf[info] == ' ')) |
|
|
653 | info++; |
|
|
654 | |
|
|
655 | if (info >= len) |
|
|
656 | break; |
|
|
657 | |
|
|
658 | nextinfo = info + 1; |
|
|
659 | |
|
|
660 | while ((nextinfo < len) && (buf[nextinfo] != ' ')) |
|
|
661 | nextinfo++; |
|
|
662 | |
|
|
663 | if (nextinfo - info >= 49) /*Erroneous info asked */ |
|
|
664 | continue; |
|
|
665 | |
|
|
666 | strncpy (command, &(buf[info]), nextinfo - info); |
|
|
667 | command[nextinfo - info] = '\0'; |
|
|
668 | /* 2. Interpret info */ |
|
|
669 | i = sscanf (command, "%d", &flag); |
|
|
670 | |
|
|
671 | if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST)) |
|
|
672 | ns->supported_readables |= (1 << flag); |
|
|
673 | /*3. Next info */ |
|
|
674 | } |
|
|
675 | |
|
|
676 | /* Send resulting state */ |
|
|
677 | strcpy (cmdback, "ExtendedTextSet"); |
|
|
678 | |
|
|
679 | for (i = 0; i <= MSG_TYPE_LAST; i++) |
|
|
680 | if (ns->supported_readables & (1 << i)) |
|
|
681 | { |
|
|
682 | strcat (cmdback, " "); |
|
|
683 | snprintf (temp, sizeof (temp), "%d", i); |
|
|
684 | strcat (cmdback, temp); |
|
|
685 | } |
|
|
686 | |
|
|
687 | ns->send_packet (cmdback); |
|
|
688 | } |
|
|
689 | |
|
|
690 | /** |
|
|
691 | * A lot like the old AskSmooth (in fact, now called by AskSmooth). |
|
|
692 | * Basically, it makes no sense to wait for the client to request a |
|
|
693 | * a piece of data from us that we know the client wants. So |
|
|
694 | * if we know the client wants it, might as well push it to the |
|
|
695 | * client. |
|
|
696 | */ |
|
|
697 | static void |
|
|
698 | SendSmooth (client *ns, uint16 face) |
|
|
699 | { |
|
|
700 | uint16 smoothface; |
|
|
701 | |
|
|
702 | /* If we can't find a face, return and set it so we won't try to send this |
|
|
703 | * again. |
|
|
704 | */ |
|
|
705 | if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface))) |
|
|
706 | { |
|
|
707 | |
|
|
708 | LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name); |
|
|
709 | ns->faces_sent[face] |= NS_FACESENT_SMOOTH; |
|
|
710 | return; |
|
|
711 | } |
|
|
712 | |
|
|
713 | if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE)) |
|
|
714 | esrv_send_face (ns, smoothface, 0); |
|
|
715 | |
|
|
716 | ns->faces_sent[face] |= NS_FACESENT_SMOOTH; |
|
|
717 | |
|
|
718 | packet sl ("smooth"); |
|
|
719 | |
|
|
720 | sl << uint16 (face) |
|
|
721 | << uint16 (smoothface); |
|
|
722 | |
|
|
723 | ns->send_packet (sl); |
|
|
724 | } |
|
|
725 | |
|
|
726 | /** |
|
|
727 | * Tells client the picture it has to use |
|
|
728 | * to smooth a picture number given as argument. |
|
|
729 | */ |
|
|
730 | void |
|
|
731 | AskSmooth (char *buf, int len, client *ns) |
|
|
732 | { |
|
|
733 | SendSmooth (ns, atoi (buf)); |
|
|
734 | } |
|
|
735 | |
458 | |
736 | /** |
459 | /** |
737 | * This handles the general commands from the client (ie, north, fire, cast, |
460 | * This handles the general commands from the client (ie, north, fire, cast, |
738 | * etc.) |
461 | * etc.) |
739 | */ |
462 | */ |
… | |
… | |
752 | return; |
475 | return; |
753 | |
476 | |
754 | buf++; |
477 | buf++; |
755 | } |
478 | } |
756 | |
479 | |
757 | execute_newserver_command (pl->ob, (char *) buf); |
480 | execute_newserver_command (pl->ob, (char *)buf); |
758 | |
481 | |
759 | /* Perhaps something better should be done with a left over count. |
482 | /* Perhaps something better should be done with a left over count. |
760 | * Cleaning up the input should probably be done first - all actions |
483 | * Cleaning up the input should probably be done first - all actions |
761 | * for the command that issued the count should be done before any other |
484 | * for the command that issued the count should be done before any other |
762 | * commands. |
485 | * commands. |
763 | */ |
486 | */ |
764 | pl->count = 0; |
487 | pl->count = 0; |
765 | } |
488 | } |
766 | |
489 | |
767 | |
|
|
768 | /** |
490 | /** |
769 | * This handles the general commands from the client (ie, north, fire, cast, |
491 | * This handles the general commands from the client (ie, north, fire, cast, |
770 | * etc.). It is a lot like PlayerCmd above, but is called with the |
492 | * etc.). It is a lot like PlayerCmd above, but is called with the |
771 | * 'ncom' method which gives more information back to the client so it |
493 | * 'ncom' method which gives more information back to the client so it |
772 | * can throttle. |
494 | * can throttle. |
… | |
… | |
774 | void |
496 | void |
775 | NewPlayerCmd (char *buf, int len, player *pl) |
497 | NewPlayerCmd (char *buf, int len, player *pl) |
776 | { |
498 | { |
777 | if (len <= 6) |
499 | if (len <= 6) |
778 | { |
500 | { |
779 | LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); |
501 | LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len); |
780 | return; |
502 | return; |
781 | } |
503 | } |
782 | |
504 | |
783 | uint16 cmdid = net_uint16 ((uint8 *)buf); |
505 | uint16 cmdid = net_uint16 ((uint8 *)buf); |
784 | sint32 repeat = net_sint32 ((uint8 *)buf + 2); |
506 | sint32 repeat = net_sint32 ((uint8 *)buf + 2); |
… | |
… | |
797 | * commands. |
519 | * commands. |
798 | */ |
520 | */ |
799 | pl->count = 0; |
521 | pl->count = 0; |
800 | |
522 | |
801 | //TODO: schmorp thinks whatever this calculates, it makes no sense at all |
523 | //TODO: schmorp thinks whatever this calculates, it makes no sense at all |
802 | int time = FABS (pl->ob->speed) < 0.001 |
524 | int time = pl->ob->has_active_speed () |
803 | ? time = MAX_TIME * 100 |
|
|
804 | : time = (int) (MAX_TIME / FABS (pl->ob->speed)); |
525 | ? (int) (MAX_TIME / pl->ob->speed) |
|
|
526 | : MAX_TIME * 100; |
805 | |
527 | |
806 | /* Send confirmation of command execution now */ |
528 | /* Send confirmation of command execution now */ |
807 | packet sl ("comc"); |
529 | packet sl ("comc"); |
808 | sl << uint16 (cmdid) << uint32 (time); |
530 | sl << uint16 (cmdid) << uint32 (time); |
809 | pl->ns->send_packet (sl); |
531 | pl->ns->send_packet (sl); |
… | |
… | |
841 | { |
563 | { |
842 | case ST_PLAYING: |
564 | case ST_PLAYING: |
843 | LOG (llevError, "Got reply message with ST_PLAYING input state\n"); |
565 | LOG (llevError, "Got reply message with ST_PLAYING input state\n"); |
844 | break; |
566 | break; |
845 | |
567 | |
846 | case ST_CHANGE_CLASS: |
|
|
847 | key_change_class (pl->ob, buf[0]); |
|
|
848 | break; |
|
|
849 | |
|
|
850 | case ST_CONFIRM_QUIT: |
|
|
851 | key_confirm_quit (pl->ob, buf[0]); |
|
|
852 | break; |
|
|
853 | |
|
|
854 | case ST_GET_PARTY_PASSWORD: /* Get password for party */ |
568 | case ST_GET_PARTY_PASSWORD: /* Get password for party */ |
855 | receive_party_password (pl->ob, 13); |
569 | receive_party_password (pl->ob, 13); |
856 | break; |
570 | break; |
857 | |
571 | |
858 | default: |
572 | default: |
859 | LOG (llevError, "Unknown input state: %d\n", ns->state); |
573 | LOG (llevError, "Unknown input state: %d\n", ns->state); |
860 | } |
574 | } |
861 | } |
575 | } |
862 | |
576 | |
863 | /** |
577 | /** |
864 | * Client tells its version. If there is a mismatch, we close the |
578 | * Client tells its version info. |
865 | * socket. In real life, all we should care about is the client having |
|
|
866 | * something older than the server. If we assume the client will be |
|
|
867 | * backwards compatible, having it be a later version should not be a |
|
|
868 | * problem. |
|
|
869 | */ |
579 | */ |
870 | void |
580 | void |
871 | VersionCmd (char *buf, int len, client * ns) |
581 | VersionCmd (char *buf, int len, client *ns) |
872 | { |
582 | { |
873 | if (!buf) |
583 | INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len)); |
874 | { |
|
|
875 | LOG (llevError, "CS: received corrupted version command\n"); |
|
|
876 | return; |
|
|
877 | } |
|
|
878 | |
|
|
879 | ns->cs_version = atoi (buf); |
|
|
880 | ns->sc_version = ns->cs_version; |
|
|
881 | |
|
|
882 | LOG (llevDebug, "connection from client <%s>\n", buf); |
|
|
883 | |
|
|
884 | |
|
|
885 | //TODO: should log here just for statistics |
|
|
886 | |
|
|
887 | //if (VERSION_CS != ns->cs_version) |
|
|
888 | // unchecked; |
|
|
889 | |
|
|
890 | char *cp = strchr (buf + 1, ' '); |
|
|
891 | if (!cp) |
|
|
892 | return; |
|
|
893 | |
|
|
894 | ns->sc_version = atoi (cp); |
|
|
895 | |
|
|
896 | //if (VERSION_SC != ns->sc_version) |
|
|
897 | // unchecked; |
|
|
898 | |
|
|
899 | cp = strchr (cp + 1, ' '); |
|
|
900 | |
|
|
901 | if (cp) |
|
|
902 | { |
|
|
903 | assign (ns->version, cp + 1); |
|
|
904 | |
|
|
905 | if (ns->sc_version < 1026) |
|
|
906 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, |
|
|
907 | "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****"); |
|
|
908 | } |
|
|
909 | } |
584 | } |
910 | |
585 | |
911 | /** sound related functions. */ |
586 | /** sound related functions. */ |
912 | void |
587 | void |
913 | SetSound (char *buf, int len, client * ns) |
588 | SetSound (char *buf, int len, client * ns) |
914 | { |
589 | { |
915 | ns->sound = atoi (buf); |
590 | ns->sound = atoi (buf); |
916 | } |
591 | } |
917 | |
592 | |
918 | /** client wants the map resent */ |
593 | /** client wants the map resent */ |
919 | |
|
|
920 | void |
594 | void |
921 | MapRedrawCmd (char *buf, int len, player *pl) |
595 | MapRedrawCmd (char *buf, int len, player *pl) |
922 | { |
596 | { |
923 | /* This function is currently disabled; just clearing the map state results in |
597 | /* This function is currently disabled; just clearing the map state results in |
924 | * display errors. It should clear the cache and send a newmap command. |
598 | * display errors. It should clear the cache and send a newmap command. |
… | |
… | |
932 | * syntax is: move (to) (tag) (nrof) |
606 | * syntax is: move (to) (tag) (nrof) |
933 | */ |
607 | */ |
934 | void |
608 | void |
935 | MoveCmd (char *buf, int len, player *pl) |
609 | MoveCmd (char *buf, int len, player *pl) |
936 | { |
610 | { |
937 | int vals[3], i; |
611 | int to, tag, nrof; |
938 | |
612 | |
939 | /* A little funky here. We only cycle for 2 records, because |
613 | if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof)) |
940 | * we obviously are not going to find a space after the third |
|
|
941 | * record. Perhaps we should just replace this with a |
|
|
942 | * sscanf? |
|
|
943 | */ |
|
|
944 | for (i = 0; i < 2; i++) |
|
|
945 | { |
614 | { |
946 | vals[i] = atoi (buf); |
|
|
947 | |
|
|
948 | if (!(buf = strchr (buf, ' '))) |
|
|
949 | { |
|
|
950 | LOG (llevError, "Incomplete move command: %s\n", buf); |
615 | LOG (llevError, "Incomplete move command: %s\n", buf); |
951 | return; |
616 | return; |
952 | } |
|
|
953 | |
|
|
954 | buf++; |
|
|
955 | } |
617 | } |
956 | |
618 | |
957 | vals[2] = atoi (buf); |
619 | esrv_move_object (pl->ob, to, tag, nrof); |
958 | |
|
|
959 | /* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/ |
|
|
960 | esrv_move_object (pl->ob, vals[0], vals[1], vals[2]); |
|
|
961 | } |
620 | } |
962 | |
621 | |
963 | /****************************************************************************** |
622 | /****************************************************************************** |
964 | * |
623 | * |
965 | * Start of commands the server sends to the client. |
624 | * Start of commands the server sends to the client. |
… | |
… | |
969 | /** |
628 | /** |
970 | * Asks the client to query the user. This way, the client knows |
629 | * Asks the client to query the user. This way, the client knows |
971 | * it needs to send something back (vs just printing out a message) |
630 | * it needs to send something back (vs just printing out a message) |
972 | */ |
631 | */ |
973 | void |
632 | void |
974 | send_query (client *ns, uint8 flags, char *text) |
633 | send_query (client *ns, uint8 flags, const char *text) |
975 | { |
634 | { |
976 | ns->send_packet_printf ("query %d %s", flags, text ? text : ""); |
635 | ns->send_packet_printf ("query %d %s", flags, text ? text : ""); |
|
|
636 | } |
|
|
637 | |
|
|
638 | /** |
|
|
639 | * Get player's current range attack in obuf. |
|
|
640 | */ |
|
|
641 | static void |
|
|
642 | rangetostring (player *pl, char *obuf) |
|
|
643 | { |
|
|
644 | dynbuf_text &buf = msg_dynbuf; buf.clear (); |
|
|
645 | |
|
|
646 | #if 0 |
|
|
647 | // print ranged/chosen_skill etc. objects every call |
|
|
648 | printf ("%s %s => %s (%s)\n", |
|
|
649 | pl->ranged_ob ? &pl->ranged_ob->name : "-", |
|
|
650 | pl->combat_ob ? &pl->combat_ob->name : "-", |
|
|
651 | pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-", |
|
|
652 | pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-" |
|
|
653 | ); |
|
|
654 | #endif |
|
|
655 | |
|
|
656 | if (pl->ranged_ob) |
|
|
657 | buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; |
|
|
658 | |
|
|
659 | if (pl->combat_ob) |
|
|
660 | buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name; |
|
|
661 | |
|
|
662 | #if 0 |
|
|
663 | //TODO: remove this when slot system is working, this is only for debugging |
|
|
664 | if (pl->ob->chosen_skill) |
|
|
665 | buf << " Skill*: " << pl->ob->chosen_skill->name; |
|
|
666 | #endif |
|
|
667 | |
|
|
668 | //TODO: maybe golem should become the current_weapon, quite simply? |
|
|
669 | if (pl->golem) |
|
|
670 | buf << " Golem*: " << pl->golem->name; |
|
|
671 | |
|
|
672 | buf << '\0'; |
|
|
673 | buf.linearise (obuf); |
977 | } |
674 | } |
978 | |
675 | |
979 | #define AddIfInt64(Old,New,Type) if (Old != New) {\ |
676 | #define AddIfInt64(Old,New,Type) if (Old != New) {\ |
980 | Old = New; \ |
677 | Old = New; \ |
981 | sl << uint8 (Type) << uint64 (New); \ |
678 | sl << uint8 (Type) << uint64 (New); \ |
… | |
… | |
989 | #define AddIfShort(Old,New,Type) if (Old != New) {\ |
686 | #define AddIfShort(Old,New,Type) if (Old != New) {\ |
990 | Old = New; \ |
687 | Old = New; \ |
991 | sl << uint8 (Type) << uint16 (New); \ |
688 | sl << uint8 (Type) << uint16 (New); \ |
992 | } |
689 | } |
993 | |
690 | |
994 | #define AddIfFloat(Old,New,Type) if (Old != New) {\ |
691 | #define AddIfFloat(Old,New,Type,mult) if (Old != New) {\ |
995 | Old = New; \ |
692 | Old = New; \ |
996 | sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ |
693 | sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \ |
997 | } |
694 | } |
998 | |
695 | |
999 | #define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ |
696 | #define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ |
1000 | free(Old); Old = strdup (New);\ |
697 | free(Old); Old = strdup (New);\ |
1001 | sl << uint8 (Type) << data8 (New); \ |
698 | sl << uint8 (Type) << data8 (New); \ |
… | |
… | |
1008 | * commands for now. |
705 | * commands for now. |
1009 | */ |
706 | */ |
1010 | void |
707 | void |
1011 | esrv_update_stats (player *pl) |
708 | esrv_update_stats (player *pl) |
1012 | { |
709 | { |
|
|
710 | client *ns = pl->ns; |
|
|
711 | if (!ns) |
|
|
712 | return; |
|
|
713 | |
|
|
714 | object *ob = pl->observe; |
|
|
715 | if (!ob) |
|
|
716 | return; |
|
|
717 | |
|
|
718 | player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl; |
|
|
719 | |
|
|
720 | packet sl ("stats"); |
|
|
721 | |
|
|
722 | AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP); |
|
|
723 | AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP); |
|
|
724 | AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP); |
|
|
725 | AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP); |
|
|
726 | AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE); |
|
|
727 | AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE); |
|
|
728 | AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR); |
|
|
729 | AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX); |
|
|
730 | AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON); |
|
|
731 | AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT); |
|
|
732 | AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); |
|
|
733 | AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); |
|
|
734 | AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); |
|
|
735 | |
|
|
736 | for (int s = 0; s < CS_NUM_SKILLS; s++) |
|
|
737 | if (object *skill = opl->last_skill_ob [s]) |
|
|
738 | if (skill->stats.exp != ns->last_skill_exp [s]) |
|
|
739 | { |
|
|
740 | ns->last_skill_exp [s] = skill->stats.exp; |
|
|
741 | |
|
|
742 | /* Always send along the level if exp changes. This is only |
|
|
743 | * 1 extra byte, but keeps processing simpler. |
|
|
744 | */ |
|
|
745 | sl << uint8 (CS_STAT_SKILLINFO + s) |
|
|
746 | << uint8 (skill->level) |
|
|
747 | << uint64 (skill->stats.exp); |
|
|
748 | } |
|
|
749 | |
|
|
750 | AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); |
|
|
751 | AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); |
|
|
752 | AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); |
|
|
753 | AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); |
|
|
754 | AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); |
|
|
755 | AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK); |
|
|
756 | AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); |
|
|
757 | AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK); |
|
|
758 | AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); |
|
|
759 | |
|
|
760 | int flags = (opl->fire_on ? SF_FIREON : 0) |
|
|
761 | | (opl->run_on ? SF_RUNON : 0); |
|
|
762 | |
|
|
763 | AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); |
|
|
764 | |
|
|
765 | for (int i = 0; i < NROFATTACKS; i++) |
|
|
766 | /* Skip ones we won't send */ |
|
|
767 | if (atnr_cs_stat[i] >= 0) |
|
|
768 | AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]); |
|
|
769 | |
|
|
770 | if (pl->ns->monitor_spells) |
|
|
771 | { |
|
|
772 | AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); |
|
|
773 | AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); |
|
|
774 | AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); |
|
|
775 | } |
|
|
776 | |
1013 | char buf[MAX_BUF]; |
777 | char buf[MAX_BUF]; |
1014 | uint16 flags; |
|
|
1015 | |
|
|
1016 | if (!pl->ns) |
|
|
1017 | return; |
|
|
1018 | |
|
|
1019 | packet sl ("stats"); |
|
|
1020 | |
|
|
1021 | if (pl->ob) |
|
|
1022 | { |
|
|
1023 | AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); |
|
|
1024 | AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); |
|
|
1025 | AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); |
|
|
1026 | AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); |
|
|
1027 | AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); |
|
|
1028 | AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); |
|
|
1029 | AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); |
|
|
1030 | AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); |
|
|
1031 | AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON); |
|
|
1032 | AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT); |
|
|
1033 | AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS); |
|
|
1034 | AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW); |
|
|
1035 | AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | for (int s = 0; s < NUM_SKILLS; s++) |
|
|
1039 | if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp) |
|
|
1040 | { |
|
|
1041 | /* Always send along the level if exp changes. This is only |
|
|
1042 | * 1 extra byte, but keeps processing simpler. |
|
|
1043 | */ |
|
|
1044 | sl << uint8 (s + CS_STAT_SKILLINFO) |
|
|
1045 | << uint8 (pl->last_skill_ob[s]->level) |
|
|
1046 | << uint64 (pl->last_skill_ob[s]->stats.exp); |
|
|
1047 | |
|
|
1048 | pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp; |
|
|
1049 | } |
|
|
1050 | |
|
|
1051 | AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64); |
|
|
1052 | AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL); |
|
|
1053 | AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); |
|
|
1054 | AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); |
|
|
1055 | AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); |
|
|
1056 | AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED); |
|
|
1057 | AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); |
|
|
1058 | AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); |
|
|
1059 | AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM); |
|
|
1060 | flags = 0; |
|
|
1061 | |
|
|
1062 | if (pl->fire_on) |
|
|
1063 | flags |= SF_FIREON; |
|
|
1064 | |
|
|
1065 | if (pl->run_on) |
|
|
1066 | flags |= SF_RUNON; |
|
|
1067 | |
|
|
1068 | AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS); |
|
|
1069 | |
|
|
1070 | if (pl->ns->sc_version < 1025) |
|
|
1071 | { AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) } |
|
|
1072 | else |
|
|
1073 | for (int i = 0; i < NROFATTACKS; i++) |
|
|
1074 | { |
|
|
1075 | /* Skip ones we won't send */ |
|
|
1076 | if (atnr_cs_stat[i] == -1) |
|
|
1077 | continue; |
|
|
1078 | |
|
|
1079 | AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]); |
|
|
1080 | } |
|
|
1081 | |
|
|
1082 | if (pl->ns->monitor_spells) |
|
|
1083 | { |
|
|
1084 | AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE); |
|
|
1085 | AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL); |
|
|
1086 | AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY); |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */ |
778 | rangetostring (opl, buf); /* we want use the new fire & run system in new client */ |
1090 | AddIfString (pl->ns->stats.range, buf, CS_STAT_RANGE); |
779 | AddIfString (ns->stats.range, buf, CS_STAT_RANGE); |
1091 | set_title (pl->ob, buf); |
780 | set_title (ob, buf); |
1092 | AddIfString (pl->ns->stats.title, buf, CS_STAT_TITLE); |
781 | AddIfString (ns->stats.title, buf, CS_STAT_TITLE); |
1093 | |
782 | |
1094 | /* Only send it away if we have some actual data */ |
783 | /* Only send it away if we have some actual data */ |
1095 | if (sl.length () > 6) |
784 | if (sl.length () > 6) |
1096 | pl->ns->send_packet (sl); |
785 | ns->send_packet (sl); |
1097 | } |
786 | } |
1098 | |
787 | |
1099 | /** |
788 | /** |
1100 | * Tells the client that here is a player it should start using. |
789 | * Tells the client that here is a player it should start using. |
1101 | */ |
790 | */ |
1102 | void |
791 | void |
1103 | esrv_new_player (player *pl, uint32 weight) |
792 | esrv_new_player (player *pl) |
1104 | { |
793 | { |
1105 | pl->last_weight = weight; |
794 | sint32 weight = pl->ob->client_weight (); |
1106 | |
795 | |
1107 | packet sl ("player"); |
796 | packet sl ("player"); |
1108 | |
797 | |
1109 | sl << uint32 (pl->ob->count) |
798 | sl << uint32 (pl->ob->count) |
1110 | << uint32 (weight) |
799 | << uint32 (weight) |
1111 | << uint32 (pl->ob->face->number) |
800 | << uint32 (pl->ob->face) |
1112 | << data8 (pl->ob->name); |
801 | << data8 (pl->ob->name); |
1113 | |
802 | |
|
|
803 | pl->ns->last_weight = weight; |
1114 | pl->ns->send_packet (sl); |
804 | pl->ns->send_packet (sl); |
1115 | SET_FLAG (pl->ob, FLAG_CLIENT_SENT); |
|
|
1116 | } |
805 | } |
1117 | |
|
|
1118 | /** |
|
|
1119 | * Need to send an animation sequence to the client. |
|
|
1120 | * We will send appropriate face commands to the client if we haven't |
|
|
1121 | * sent them the face yet (this can become quite costly in terms of |
|
|
1122 | * how much we are sending - on the other hand, this should only happen |
|
|
1123 | * when the player logs in and picks stuff up. |
|
|
1124 | */ |
|
|
1125 | void |
|
|
1126 | esrv_send_animation (client * ns, short anim_num) |
|
|
1127 | { |
|
|
1128 | /* Do some checking on the anim_num we got. Note that the animations |
|
|
1129 | * are added in contigous order, so if the number is in the valid |
|
|
1130 | * range, it must be a valid animation. |
|
|
1131 | */ |
|
|
1132 | if (anim_num < 0 || anim_num > num_animations) |
|
|
1133 | { |
|
|
1134 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
|
|
1135 | return; |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | packet sl ("anim"); |
|
|
1139 | |
|
|
1140 | sl << uint16 (anim_num) |
|
|
1141 | << uint16 (0); /* flags - not used right now */ |
|
|
1142 | |
|
|
1143 | /* Build up the list of faces. Also, send any information (ie, the |
|
|
1144 | * the face itself) down to the client. |
|
|
1145 | */ |
|
|
1146 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
|
|
1147 | { |
|
|
1148 | if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE)) |
|
|
1149 | esrv_send_face (ns, animations[anim_num].faces[i], 0); |
|
|
1150 | |
|
|
1151 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
|
|
1152 | } |
|
|
1153 | |
|
|
1154 | ns->send_packet (sl); |
|
|
1155 | |
|
|
1156 | ns->anims_sent[anim_num] = 1; |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | |
806 | |
1160 | /****************************************************************************** |
807 | /****************************************************************************** |
1161 | * |
808 | * |
1162 | * Start of map related commands. |
809 | * Start of map related commands. |
1163 | * |
810 | * |
1164 | ******************************************************************************/ |
811 | ******************************************************************************/ |
1165 | |
812 | |
1166 | /** |
|
|
1167 | * This adds face_num to a map cell at x,y. If the client doesn't have |
|
|
1168 | * the face yet, we will also send it. |
|
|
1169 | */ |
|
|
1170 | static void |
|
|
1171 | esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap) |
|
|
1172 | { |
|
|
1173 | if (newmap->cells[x][y].count >= MAP_LAYERS) |
|
|
1174 | { |
|
|
1175 | //TODO: one or the other, can't both have abort and return, verify and act |
|
|
1176 | LOG (llevError, "Too many faces in map cell %d %d\n", x, y); |
|
|
1177 | return; |
|
|
1178 | abort (); |
|
|
1179 | } |
|
|
1180 | |
|
|
1181 | newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num; |
|
|
1182 | newmap->cells[x][y].count++; |
|
|
1183 | |
|
|
1184 | if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE)) |
|
|
1185 | esrv_send_face (ns, face_num, 0); |
|
|
1186 | } |
|
|
1187 | |
|
|
1188 | /** Clears a map cell */ |
813 | /** Clears a map cell */ |
1189 | static void |
814 | static void |
1190 | map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) |
815 | map_clearcell (struct MapCell *cell, int count) |
1191 | { |
816 | { |
1192 | cell->faces[0] = face0; |
817 | cell->faces[0] = 0; |
1193 | cell->faces[1] = face1; |
818 | cell->faces[1] = 0; |
1194 | cell->faces[2] = face2; |
819 | cell->faces[2] = 0; |
|
|
820 | cell->smooth[0] = 0; |
|
|
821 | cell->smooth[1] = 0; |
|
|
822 | cell->smooth[2] = 0; |
1195 | cell->count = count; |
823 | cell->count = count; |
1196 | cell->stat_hp = 0; |
824 | cell->stat_hp = 0; |
1197 | cell->flags = 0; |
825 | cell->flags = 0; |
1198 | cell->player = 0; |
826 | cell->player = 0; |
1199 | } |
827 | } |
1200 | |
828 | |
1201 | #define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y) |
|
|
1202 | #define MAX_LAYERS 3 |
829 | #define MAX_LAYERS 3 |
1203 | |
|
|
1204 | /* Using a global really isn't a good approach, but saves the over head of |
|
|
1205 | * allocating and deallocating such a block of data each time run through, |
|
|
1206 | * and saves the space of allocating this in the socket object when we only |
|
|
1207 | * need it for this cycle. If the server is ever threaded, this needs to be |
|
|
1208 | * re-examined. |
|
|
1209 | */ |
|
|
1210 | static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS]; |
|
|
1211 | |
|
|
1212 | /** |
|
|
1213 | * Returns true if any of the heads for this |
|
|
1214 | * space is set. Returns false if all are blank - this is used |
|
|
1215 | * for empty space checking. |
|
|
1216 | */ |
|
|
1217 | static inline int |
|
|
1218 | have_head (int ax, int ay) |
|
|
1219 | { |
|
|
1220 | if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] || |
|
|
1221 | heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2]) |
|
|
1222 | return 1; |
|
|
1223 | |
|
|
1224 | return 0; |
|
|
1225 | } |
|
|
1226 | |
|
|
1227 | /** |
|
|
1228 | * check_head is a bit simplistic version of update_space below. |
|
|
1229 | * basically, it only checks the that the head on space ax,ay at layer |
|
|
1230 | * needs to get sent - if so, it adds the data, sending the head |
|
|
1231 | * if needed, and returning 1. If this no data needs to get |
|
|
1232 | * sent, it returns zero. |
|
|
1233 | */ |
|
|
1234 | static int |
|
|
1235 | check_head (packet &sl, client &ns, int ax, int ay, int layer) |
|
|
1236 | { |
|
|
1237 | short face_num; |
|
|
1238 | |
|
|
1239 | if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]) |
|
|
1240 | face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number; |
|
|
1241 | else |
|
|
1242 | face_num = 0; |
|
|
1243 | |
|
|
1244 | if (face_num != ns.lastmap.cells[ax][ay].faces[layer]) |
|
|
1245 | { |
|
|
1246 | sl << uint16 (face_num); |
|
|
1247 | if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE)) |
|
|
1248 | esrv_send_face (&ns, face_num, 0); |
|
|
1249 | |
|
|
1250 | heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL; |
|
|
1251 | ns.lastmap.cells[ax][ay].faces[layer] = face_num; |
|
|
1252 | return 1; |
|
|
1253 | } |
|
|
1254 | |
|
|
1255 | return 0; /* No change */ |
|
|
1256 | } |
|
|
1257 | |
830 | |
1258 | /** |
831 | /** |
1259 | * Removes the need to replicate the same code for each layer. |
832 | * Removes the need to replicate the same code for each layer. |
1260 | * this returns true if this space is now in fact different than |
833 | * this returns true if this space is now in fact different than |
1261 | * it was. |
834 | * it was. |
1262 | * sl is the socklist this data is going into. |
835 | * sl is the socklist this data is going into. |
1263 | * ns is the socket we are working on - all the info we care |
836 | * ns is the socket we are working on - all the info we care |
1264 | * about is in this socket structure, so now need not pass the |
837 | * about is in this socket structure, so now need not pass the |
1265 | * entire player object. |
838 | * entire player object. |
1266 | * mx and my are map coordinate offsets for map mp |
|
|
1267 | * sx and sy are the offsets into the socket structure that |
|
|
1268 | * holds the old values. |
|
|
1269 | * layer is the layer to update, with 2 being the floor and 0 the |
839 | * layer is the layer to update, with 2 being the floor and 0 the |
1270 | * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) |
840 | * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) |
1271 | * take. Interesting to note that before this function, the map1 function |
841 | * take. Interesting to note that before this function, the map1 function |
1272 | * numbers the spaces differently - I think this was a leftover from |
842 | * numbers the spaces differently - I think this was a leftover from |
1273 | * the map command, where the faces stack up. Sinces that is no longer |
843 | * the map command, where the faces stack up. Sinces that is no longer |
1274 | * the case, it seems to make more sense to have these layer values |
844 | * the case, it seems to make more sense to have these layer values |
1275 | * actually match. |
845 | * actually match. |
1276 | */ |
846 | */ |
1277 | static int |
847 | static int |
1278 | update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) |
848 | update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer) |
1279 | { |
849 | { |
1280 | object *ob, *head; |
850 | object *ob = ms.faces_obj [layer]; |
1281 | uint16 face_num; |
|
|
1282 | int bx, by, i; |
|
|
1283 | |
|
|
1284 | /* If there is a multipart object stored away, treat that as more important. |
|
|
1285 | * If not, then do the normal processing. |
|
|
1286 | */ |
|
|
1287 | head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer]; |
|
|
1288 | |
|
|
1289 | /* Check to see if this head is part of the set of objects |
|
|
1290 | * we would normally send for this space. If so, then |
|
|
1291 | * don't use the head value. We need to do the check |
|
|
1292 | * here and not when setting up the heads[] value for two reasons - |
|
|
1293 | * 1) the heads[] values will get used even if the space is not visible. |
|
|
1294 | * 2) its possible the head is not on the same map as a part, and I'd |
|
|
1295 | * rather not need to do the map translation overhead. |
|
|
1296 | * 3) We need to do some extra checking to make sure that we will |
|
|
1297 | * otherwise send the image as this layer, eg, either it matches |
|
|
1298 | * the head value, or is not multipart. |
|
|
1299 | */ |
|
|
1300 | if (head && !head->more) |
|
|
1301 | { |
|
|
1302 | for (i = 0; i < MAP_LAYERS; i++) |
|
|
1303 | { |
|
|
1304 | ob = GET_MAP_FACE_OBJ (mp, mx, my, i); |
|
|
1305 | if (!ob) |
|
|
1306 | continue; |
|
|
1307 | |
|
|
1308 | if (ob->head) |
|
|
1309 | ob = ob->head; |
|
|
1310 | |
|
|
1311 | if (ob == head) |
|
|
1312 | { |
|
|
1313 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL; |
|
|
1314 | head = NULL; |
|
|
1315 | break; |
|
|
1316 | } |
|
|
1317 | } |
|
|
1318 | } |
|
|
1319 | |
|
|
1320 | ob = head; |
|
|
1321 | if (!ob) |
|
|
1322 | ob = GET_MAP_FACE_OBJ (mp, mx, my, layer); |
|
|
1323 | |
851 | |
1324 | /* If there is no object for this space, or if the face for the object |
852 | /* If there is no object for this space, or if the face for the object |
1325 | * is the blank face, set the face number to zero. |
853 | * is the blank face, set the face number to zero. |
1326 | * else if we have the stored head object for this space, that takes |
854 | * else if we have the stored head object for this space, that takes |
1327 | * precedence over the other object for this space. |
855 | * precedence over the other object for this space. |
1328 | * otherwise, we do special head processing |
856 | * otherwise, we do special head processing |
1329 | */ |
857 | */ |
1330 | if (!ob || ob->face == blank_face) |
858 | uint16 face_num = ob && ob->face != blank_face ? ob->face : 0; |
1331 | face_num = 0; |
|
|
1332 | else if (head) |
|
|
1333 | { |
|
|
1334 | /* if this is a head that had previously been stored */ |
|
|
1335 | face_num = ob->face->number; |
|
|
1336 | } |
|
|
1337 | else |
|
|
1338 | { |
|
|
1339 | /* if the faces for the different parts of a multipart object |
|
|
1340 | * are the same, we only want to send the bottom right most |
|
|
1341 | * portion of the object. That info is in the tail_.. values |
|
|
1342 | * of the head. Note that for the head itself, ob->head will |
|
|
1343 | * be null, so we only do this block if we are working on |
|
|
1344 | * a tail piece. |
|
|
1345 | */ |
|
|
1346 | |
|
|
1347 | /* tail_x and tail_y will only be set in the head object. If |
|
|
1348 | * this is the head object and these are set, we proceed |
|
|
1349 | * with logic to only send bottom right. Similarly, if |
|
|
1350 | * this is one of the more parts but the head has those values |
|
|
1351 | * set, we want to do the processing. There can be cases where |
|
|
1352 | * the head is not visible but one of its parts is, so we just |
|
|
1353 | * can always expect that ob->arch->tail_x will be true for all |
|
|
1354 | * object we may want to display. |
|
|
1355 | */ |
|
|
1356 | if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y))) |
|
|
1357 | { |
|
|
1358 | |
|
|
1359 | if (ob->head) |
|
|
1360 | head = ob->head; |
|
|
1361 | else |
|
|
1362 | head = ob; |
|
|
1363 | |
|
|
1364 | /* Basically figure out where the offset is from where we are right |
|
|
1365 | * now. the ob->arch->clone.{x,y} values hold the offset that this current |
|
|
1366 | * piece is from the head, and the tail is where the tail is from the |
|
|
1367 | * head. Note that bx and by will equal sx and sy if we are already working |
|
|
1368 | * on the bottom right corner. If ob is the head, the clone values |
|
|
1369 | * will be zero, so the right thing will still happen. |
|
|
1370 | */ |
|
|
1371 | bx = sx + head->arch->tail_x - ob->arch->clone.x; |
|
|
1372 | by = sy + head->arch->tail_y - ob->arch->clone.y; |
|
|
1373 | |
|
|
1374 | /* I don't think this can ever happen, but better to check for it just |
|
|
1375 | * in case. |
|
|
1376 | */ |
|
|
1377 | if (bx < sx || by < sy) |
|
|
1378 | { |
|
|
1379 | LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy); |
|
|
1380 | face_num = 0; |
|
|
1381 | } |
|
|
1382 | /* single part object, multipart object with non merged faces, |
|
|
1383 | * of multipart object already at lower right. |
|
|
1384 | */ |
|
|
1385 | else if (bx == sx && by == sy) |
|
|
1386 | { |
|
|
1387 | face_num = ob->face->number; |
|
|
1388 | |
|
|
1389 | /* if this face matches one stored away, clear that one away. |
|
|
1390 | * this code relies on the fact that the map1 commands |
|
|
1391 | * goes from 2 down to 0. |
|
|
1392 | */ |
|
|
1393 | for (i = 0; i < MAP_LAYERS; i++) |
|
|
1394 | if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] && |
|
|
1395 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num) |
|
|
1396 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL; |
|
|
1397 | } |
|
|
1398 | else |
|
|
1399 | { |
|
|
1400 | /* If this head is stored away, clear it - otherwise, |
|
|
1401 | * there can be cases where a object is on multiple layers - |
|
|
1402 | * we only want to send it once. |
|
|
1403 | */ |
|
|
1404 | face_num = head->face->number; |
|
|
1405 | for (i = 0; i < MAP_LAYERS; i++) |
|
|
1406 | if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] && |
|
|
1407 | heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num) |
|
|
1408 | heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL; |
|
|
1409 | |
|
|
1410 | /* First, try to put the new head on the same layer. If that is used up, |
|
|
1411 | * then find another layer. |
|
|
1412 | */ |
|
|
1413 | if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL) |
|
|
1414 | { |
|
|
1415 | heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head; |
|
|
1416 | } |
|
|
1417 | else |
|
|
1418 | for (i = 0; i < MAX_LAYERS; i++) |
|
|
1419 | { |
|
|
1420 | if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL || |
|
|
1421 | heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head) |
|
|
1422 | { |
|
|
1423 | heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head; |
|
|
1424 | } |
|
|
1425 | } |
|
|
1426 | face_num = 0; /* Don't send this object - we'll send the head later */ |
|
|
1427 | } |
|
|
1428 | } |
|
|
1429 | else |
|
|
1430 | { |
|
|
1431 | /* In this case, we are already at the lower right or single part object, |
|
|
1432 | * so nothing special |
|
|
1433 | */ |
|
|
1434 | face_num = ob->face->number; |
|
|
1435 | |
|
|
1436 | /* clear out any head entries that have the same face as this one */ |
|
|
1437 | for (bx = 0; bx < layer; bx++) |
|
|
1438 | if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] && |
|
|
1439 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num) |
|
|
1440 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL; |
|
|
1441 | } |
|
|
1442 | } /* else not already head object or blank face */ |
|
|
1443 | |
|
|
1444 | /* This is a real hack. Basically, if we have nothing to send for this layer, |
|
|
1445 | * but there is a head on the next layer, send that instead. |
|
|
1446 | * Without this, what happens is you can get the case where the player stands |
|
|
1447 | * on the same space as the head. However, if you have overlapping big objects |
|
|
1448 | * of the same type, what happens then is it doesn't think it needs to send |
|
|
1449 | * This tends to make stacking also work/look better. |
|
|
1450 | */ |
|
|
1451 | if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]) |
|
|
1452 | { |
|
|
1453 | face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number; |
|
|
1454 | heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL; |
|
|
1455 | } |
|
|
1456 | |
|
|
1457 | /* Another hack - because of heads and whatnot, this face may match one |
|
|
1458 | * we already sent for a lower layer. In that case, don't send |
|
|
1459 | * this one. |
|
|
1460 | */ |
|
|
1461 | if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num) |
|
|
1462 | face_num = 0; |
|
|
1463 | |
859 | |
1464 | /* We've gotten what face we want to use for the object. Now see if |
860 | /* We've gotten what face we want to use for the object. Now see if |
1465 | * if it has changed since we last sent it to the client. |
861 | * if it has changed since we last sent it to the client. |
1466 | */ |
862 | */ |
1467 | if (ns.lastmap.cells[sx][sy].faces[layer] != face_num) |
863 | if (lastcell.faces[layer] != face_num) |
1468 | { |
864 | { |
1469 | ns.lastmap.cells[sx][sy].faces[layer] = face_num; |
865 | lastcell.faces[layer] = face_num; |
|
|
866 | |
1470 | if (!(ns.faces_sent[face_num] & NS_FACESENT_FACE)) |
867 | if (!ns.faces_sent[face_num]) |
|
|
868 | if (ob) |
|
|
869 | ns.send_faces (ob); |
|
|
870 | else |
1471 | esrv_send_face (&ns, face_num, 0); |
871 | ns.send_face (face_num, 10); |
1472 | |
872 | |
1473 | sl << uint16 (face_num); |
873 | sl << uint16 (face_num); |
1474 | return 1; |
874 | return 1; |
1475 | } |
875 | } |
1476 | |
876 | |
1477 | /* Nothing changed */ |
877 | /* Nothing changed */ |
1478 | return 0; |
878 | return 0; |
1479 | } |
879 | } |
1480 | |
880 | |
1481 | /** |
881 | //-GPL |
1482 | * This function is mainly a copy of update_space, |
|
|
1483 | * except it handles update of the smoothing updates, |
|
|
1484 | * not the face updates. |
|
|
1485 | * Removes the need to replicate the same code for each layer. |
|
|
1486 | * this returns true if this smooth is now in fact different |
|
|
1487 | * than it was. |
|
|
1488 | * sl is the socklist this data is going into. |
|
|
1489 | * ns is the socket we are working on - all the info we care |
|
|
1490 | * about is in this socket structure, so know need to pass the |
|
|
1491 | * entire player object. |
|
|
1492 | * mx and my are map coordinate offsets for map mp |
|
|
1493 | * sx and sy are the offsets into the socket structure that |
|
|
1494 | * holds the old values. |
|
|
1495 | * layer is the layer to update, with 2 being the floor and 0 the |
|
|
1496 | * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ |
|
|
1497 | * take. |
|
|
1498 | */ |
|
|
1499 | |
882 | |
1500 | static inline int |
883 | // prefetch maps in an area of PREFETCH x PREFETCH around the player |
1501 | update_smooth (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) |
884 | #define PREFETCH 40 |
1502 | { |
|
|
1503 | object *ob; |
|
|
1504 | int smoothlevel; /* old face_num; */ |
|
|
1505 | |
885 | |
1506 | ob = GET_MAP_FACE_OBJ (mp, mx, my, layer); |
886 | // prefetch a generous area around the player |
1507 | |
887 | static void |
1508 | /* If there is no object for this space, or if the face for the object |
888 | prefetch_surrounding_maps (object *op) |
1509 | * is the blank face, set the smoothlevel to zero. |
|
|
1510 | */ |
|
|
1511 | if (!ob || ob->face == blank_face) |
|
|
1512 | smoothlevel = 0; |
|
|
1513 | else |
|
|
1514 | { |
|
|
1515 | smoothlevel = ob->smoothlevel; |
|
|
1516 | if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH)) |
|
|
1517 | SendSmooth (&ns, ob->face->number); |
|
|
1518 | } /* else not already head object or blank face */ |
|
|
1519 | |
|
|
1520 | /* We've gotten what face we want to use for the object. Now see if |
|
|
1521 | * if it has changed since we last sent it to the client. |
|
|
1522 | */ |
|
|
1523 | if (smoothlevel > 255) |
|
|
1524 | smoothlevel = 255; |
|
|
1525 | else if (smoothlevel < 0) |
|
|
1526 | smoothlevel = 0; |
|
|
1527 | |
|
|
1528 | if (ns.lastmap.cells[sx][sy].smooth[layer] != smoothlevel) |
|
|
1529 | { |
|
|
1530 | ns.lastmap.cells[sx][sy].smooth[layer] = smoothlevel; |
|
|
1531 | sl << uint8 (smoothlevel); |
|
|
1532 | return 1; |
|
|
1533 | } |
|
|
1534 | |
|
|
1535 | /* Nothing changed */ |
|
|
1536 | return 0; |
|
|
1537 | } |
|
|
1538 | |
|
|
1539 | /** |
|
|
1540 | * Returns the size of a data for a map square as returned by |
|
|
1541 | * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries |
|
|
1542 | * available. |
|
|
1543 | */ |
|
|
1544 | int |
|
|
1545 | getExtendedMapInfoSize (client * ns) |
|
|
1546 | { |
889 | { |
1547 | int result = 0; |
890 | for (maprect *rect = op->map->split_to_tiles (mapwalk_buf, |
1548 | |
891 | op->x - PREFETCH , op->y - PREFETCH , |
1549 | if (ns->ext_mapinfos) |
892 | op->x + PREFETCH + 1, op->y + PREFETCH + 1); |
1550 | { |
893 | rect->m; |
1551 | if (ns->EMI_smooth) |
894 | ++rect) |
1552 | result += 1; /*One byte for smoothlevel */ |
895 | rect->m->touch (); |
1553 | } |
|
|
1554 | |
|
|
1555 | return result; |
|
|
1556 | } |
896 | } |
1557 | |
897 | |
1558 | /** |
898 | //+GPL |
1559 | * This function uses the new map1 protocol command to send the map |
|
|
1560 | * to the client. It is necessary because the old map command supports |
|
|
1561 | * a maximum map size of 15x15. |
|
|
1562 | * This function is much simpler than the old one. This is because |
|
|
1563 | * the old function optimized to send as few face identifiers as possible, |
|
|
1564 | * at the expense of sending more coordinate location (coordinates were |
|
|
1565 | * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since |
|
|
1566 | * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off |
|
|
1567 | * maps no sense. Instead, we actually really only use 12 bits for coordinates, |
|
|
1568 | * and use the other 4 bits for other informatiion. For full documentation |
|
|
1569 | * of what we send, see the doc/Protocol file. |
|
|
1570 | * I will describe internally what we do: |
|
|
1571 | * the ns->lastmap shows how the map last looked when sent to the client. |
|
|
1572 | * in the lastmap structure, there is a cells array, which is set to the |
|
|
1573 | * maximum viewable size (As set in config.h). |
|
|
1574 | * in the cells, there are faces and a count value. |
|
|
1575 | * we use the count value to hold the darkness value. If -1, then this space |
|
|
1576 | * is not viewable. |
|
|
1577 | * we use faces[0] faces[1] faces[2] to hold what the three layers |
|
|
1578 | * look like. |
|
|
1579 | */ |
|
|
1580 | void |
|
|
1581 | draw_client_map1 (object *pl) |
|
|
1582 | { |
|
|
1583 | int x, y, ax, ay, d, startlen, max_x, max_y, oldlen; |
|
|
1584 | sint16 nx, ny; |
|
|
1585 | int estartlen, eoldlen; |
|
|
1586 | uint16 mask, emask; |
|
|
1587 | uint8 eentrysize; |
|
|
1588 | uint16 ewhatstart, ewhatflag; |
|
|
1589 | uint8 extendedinfos; |
|
|
1590 | maptile *m; |
|
|
1591 | |
|
|
1592 | client &socket = *pl->contr->ns; |
|
|
1593 | |
|
|
1594 | check_map_change (pl->contr); |
|
|
1595 | |
|
|
1596 | packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); |
|
|
1597 | packet esl; |
|
|
1598 | |
|
|
1599 | startlen = sl.length (); |
|
|
1600 | |
|
|
1601 | /*Extendedmapinfo structure initialisation */ |
|
|
1602 | if (socket.ext_mapinfos) |
|
|
1603 | { |
|
|
1604 | extendedinfos = EMI_NOREDRAW; |
|
|
1605 | |
|
|
1606 | if (socket.EMI_smooth) |
|
|
1607 | extendedinfos |= EMI_SMOOTH; |
|
|
1608 | |
|
|
1609 | ewhatstart = esl.length (); |
|
|
1610 | ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit |
|
|
1611 | could need to be taken away */ |
|
|
1612 | eentrysize = getExtendedMapInfoSize (&socket); |
|
|
1613 | esl << "mapextended " |
|
|
1614 | << uint8 (extendedinfos) |
|
|
1615 | << uint8 (eentrysize); |
|
|
1616 | |
|
|
1617 | estartlen = esl.length (); |
|
|
1618 | } |
|
|
1619 | else |
|
|
1620 | { |
|
|
1621 | /* suppress compiler warnings */ |
|
|
1622 | ewhatstart = 0; |
|
|
1623 | ewhatflag = 0; |
|
|
1624 | estartlen = 0; |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | /* Init data to zero */ |
|
|
1628 | memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS); |
|
|
1629 | |
|
|
1630 | /* x,y are the real map locations. ax, ay are viewport relative |
|
|
1631 | * locations. |
|
|
1632 | */ |
|
|
1633 | ay = 0; |
|
|
1634 | |
|
|
1635 | /* We could do this logic as conditionals in the if statement, |
|
|
1636 | * but that started to get a bit messy to look at. |
|
|
1637 | */ |
|
|
1638 | max_x = pl->x + (socket.mapx + 1) / 2; |
|
|
1639 | max_y = pl->y + (socket.mapy + 1) / 2; |
|
|
1640 | |
|
|
1641 | if (socket.mapmode == Map1aCmd) |
|
|
1642 | { |
|
|
1643 | max_x += MAX_HEAD_OFFSET; |
|
|
1644 | max_y += MAX_HEAD_OFFSET; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) |
|
|
1648 | { |
|
|
1649 | ax = 0; |
|
|
1650 | for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) |
|
|
1651 | { |
|
|
1652 | emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
|
|
1653 | |
|
|
1654 | /* If this space is out of the normal viewable area, we only check |
|
|
1655 | * the heads value ax or ay will only be greater than what |
|
|
1656 | * the client wants if using the map1a command - this is because |
|
|
1657 | * if the map1a command is not used, max_x and max_y will be |
|
|
1658 | * set to lower values. |
|
|
1659 | */ |
|
|
1660 | if (ax >= socket.mapx || ay >= socket.mapy) |
|
|
1661 | { |
|
|
1662 | int i, got_one; |
|
|
1663 | |
|
|
1664 | oldlen = sl.length (); |
|
|
1665 | |
|
|
1666 | sl << uint16 (mask); |
|
|
1667 | |
|
|
1668 | if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4; |
|
|
1669 | if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2; |
|
|
1670 | if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1; |
|
|
1671 | |
|
|
1672 | /* If all we are doing is sending 0 (blank) faces, we don't |
|
|
1673 | * actually need to send that - just the coordinates |
|
|
1674 | * with no faces tells the client to blank out the |
|
|
1675 | * space. |
|
|
1676 | */ |
|
|
1677 | got_one = 0; |
|
|
1678 | for (i = oldlen + 2; i < sl.length (); i++) |
|
|
1679 | if (sl[i]) |
|
|
1680 | got_one = 1; |
|
|
1681 | |
|
|
1682 | if (got_one && (mask & 0xf)) |
|
|
1683 | sl[oldlen + 1] = mask & 0xff; |
|
|
1684 | else |
|
|
1685 | { /*either all faces blank, either no face at all */ |
|
|
1686 | if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */ |
|
|
1687 | sl.reset (oldlen + 2); |
|
|
1688 | else |
|
|
1689 | sl.reset (oldlen); |
|
|
1690 | } |
|
|
1691 | |
|
|
1692 | /*What concerns extendinfos, nothing to be done for now |
|
|
1693 | * (perhaps effects layer later) |
|
|
1694 | */ |
|
|
1695 | continue; /* don't do processing below */ |
|
|
1696 | } |
|
|
1697 | |
|
|
1698 | MapCell &lastcell = socket.lastmap.cells[ax][ay]; |
|
|
1699 | |
|
|
1700 | d = pl->contr->blocked_los[ax][ay]; |
|
|
1701 | |
|
|
1702 | /* If the coordinates are not valid, or it is too dark to see, |
|
|
1703 | * we tell the client as such |
|
|
1704 | */ |
|
|
1705 | nx = x; |
|
|
1706 | ny = y; |
|
|
1707 | m = get_map_from_coord (pl->map, &nx, &ny); |
|
|
1708 | |
|
|
1709 | if (!m) |
|
|
1710 | { |
|
|
1711 | /* space is out of map. Update space and clear values |
|
|
1712 | * if this hasn't already been done. If the space is out |
|
|
1713 | * of the map, it shouldn't have a head |
|
|
1714 | */ |
|
|
1715 | if (lastcell.count != -1) |
|
|
1716 | { |
|
|
1717 | sl << uint16 (mask); |
|
|
1718 | map_clearcell (&lastcell, 0, 0, 0, -1); |
|
|
1719 | } |
|
|
1720 | } |
|
|
1721 | else if (d > 3) |
|
|
1722 | { |
|
|
1723 | int need_send = 0, count; |
|
|
1724 | |
|
|
1725 | /* This block deals with spaces that are not visible for whatever |
|
|
1726 | * reason. Still may need to send the head for this space. |
|
|
1727 | */ |
|
|
1728 | |
|
|
1729 | oldlen = sl.length (); |
|
|
1730 | |
|
|
1731 | sl << uint16 (mask); |
|
|
1732 | |
|
|
1733 | if (lastcell.count != -1) |
|
|
1734 | need_send = 1; |
|
|
1735 | |
|
|
1736 | count = -1; |
|
|
1737 | |
|
|
1738 | if (socket.mapmode == Map1aCmd && have_head (ax, ay)) |
|
|
1739 | { |
|
|
1740 | /* Now check to see if any heads need to be sent */ |
|
|
1741 | |
|
|
1742 | if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4; |
|
|
1743 | if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2; |
|
|
1744 | if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1; |
|
|
1745 | |
|
|
1746 | lastcell.count = count; |
|
|
1747 | } |
|
|
1748 | else |
|
|
1749 | { |
|
|
1750 | /* properly clear a previously sent big face */ |
|
|
1751 | if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0 |
|
|
1752 | || lastcell.stat_hp || lastcell.flags || lastcell.player) |
|
|
1753 | need_send = 1; |
|
|
1754 | |
|
|
1755 | map_clearcell (&lastcell, 0, 0, 0, count); |
|
|
1756 | } |
|
|
1757 | |
|
|
1758 | if ((mask & 0xf) || need_send) |
|
|
1759 | sl[oldlen + 1] = mask & 0xff; |
|
|
1760 | else |
|
|
1761 | sl.reset (oldlen); |
|
|
1762 | } |
|
|
1763 | else |
|
|
1764 | { |
|
|
1765 | /* In this block, the space is visible or there are head objects |
|
|
1766 | * we need to send. |
|
|
1767 | */ |
|
|
1768 | |
|
|
1769 | /* Rather than try to figure out what everything that we might |
|
|
1770 | * need to send is, then form the packet after that, |
|
|
1771 | * we presume that we will in fact form a packet, and update |
|
|
1772 | * the bits by what we do actually send. If we send nothing, |
|
|
1773 | * we just back out sl.length () to the old value, and no harm |
|
|
1774 | * is done. |
|
|
1775 | * I think this is simpler than doing a bunch of checks to see |
|
|
1776 | * what if anything we need to send, setting the bits, then |
|
|
1777 | * doing those checks again to add the real data. |
|
|
1778 | */ |
|
|
1779 | oldlen = sl.length (); |
|
|
1780 | mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
|
|
1781 | eoldlen = esl.length (); |
|
|
1782 | emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
|
|
1783 | sl << uint16 (mask); |
|
|
1784 | |
|
|
1785 | if (socket.ext_mapinfos) |
|
|
1786 | esl << uint16 (emask); |
|
|
1787 | |
|
|
1788 | unsigned char dummy; |
|
|
1789 | unsigned char *last_ext = &dummy; |
|
|
1790 | |
|
|
1791 | /* Darkness changed */ |
|
|
1792 | if (lastcell.count != d && socket.darkness) |
|
|
1793 | { |
|
|
1794 | mask |= 0x8; |
|
|
1795 | |
|
|
1796 | if (socket.extmap) |
|
|
1797 | { |
|
|
1798 | *last_ext |= 0x80; |
|
|
1799 | last_ext = &sl[sl.length ()]; |
|
|
1800 | sl << uint8 (d); |
|
|
1801 | } |
|
|
1802 | else |
|
|
1803 | sl << uint8 (255 - 64 * d); |
|
|
1804 | } |
|
|
1805 | |
|
|
1806 | lastcell.count = d; |
|
|
1807 | |
|
|
1808 | if (socket.extmap) |
|
|
1809 | { |
|
|
1810 | uint8 stat_hp = 0; |
|
|
1811 | uint8 stat_width = 0; |
|
|
1812 | uint8 flags = 0; |
|
|
1813 | UUID player = 0; |
|
|
1814 | |
|
|
1815 | // send hp information, if applicable |
|
|
1816 | if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0)) |
|
|
1817 | { |
|
|
1818 | if (op->head || op->invisible) |
|
|
1819 | ; // do not show |
|
|
1820 | else if (op->type == PLAYER |
|
|
1821 | || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) |
|
|
1822 | { |
|
|
1823 | if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) |
|
|
1824 | { |
|
|
1825 | stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; |
|
|
1826 | stat_width = op->arch->tail_x; |
|
|
1827 | } |
|
|
1828 | } |
|
|
1829 | |
|
|
1830 | if (op->msg && op->msg[0] == '@') |
|
|
1831 | flags |= 1; |
|
|
1832 | |
|
|
1833 | if (op->type == PLAYER && op != pl) |
|
|
1834 | player = op->count; |
|
|
1835 | } |
|
|
1836 | |
|
|
1837 | if (lastcell.stat_hp != stat_hp) |
|
|
1838 | { |
|
|
1839 | lastcell.stat_hp = stat_hp; |
|
|
1840 | |
|
|
1841 | mask |= 0x8; |
|
|
1842 | *last_ext |= 0x80; |
|
|
1843 | last_ext = &sl[sl.length ()]; |
|
|
1844 | |
|
|
1845 | sl << uint8 (5) << uint8 (stat_hp); |
|
|
1846 | |
|
|
1847 | if (stat_width > 1) |
|
|
1848 | { |
|
|
1849 | *last_ext |= 0x80; |
|
|
1850 | last_ext = &sl[sl.length ()]; |
|
|
1851 | |
|
|
1852 | sl << uint8 (6) << uint8 (stat_width); |
|
|
1853 | } |
|
|
1854 | } |
|
|
1855 | |
|
|
1856 | if (lastcell.player != player) |
|
|
1857 | { |
|
|
1858 | lastcell.player = player; |
|
|
1859 | |
|
|
1860 | mask |= 0x8; |
|
|
1861 | *last_ext |= 0x80; |
|
|
1862 | last_ext = &sl[sl.length ()]; |
|
|
1863 | |
|
|
1864 | sl << uint8 (0x47) << uint8 (8) << (uint64)player; |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | if (lastcell.flags != flags) |
|
|
1868 | { |
|
|
1869 | lastcell.flags = flags; |
|
|
1870 | |
|
|
1871 | mask |= 0x8; |
|
|
1872 | *last_ext |= 0x80; |
|
|
1873 | last_ext = &sl[sl.length ()]; |
|
|
1874 | |
|
|
1875 | sl << uint8 (8) << uint8 (flags); |
|
|
1876 | } |
|
|
1877 | } |
|
|
1878 | |
|
|
1879 | /* Floor face */ |
|
|
1880 | if (update_space (sl, socket, m, nx, ny, ax, ay, 2)) |
|
|
1881 | mask |= 0x4; |
|
|
1882 | |
|
|
1883 | if (socket.EMI_smooth) |
|
|
1884 | if (update_smooth (esl, socket, m, nx, ny, ax, ay, 2)) |
|
|
1885 | emask |= 0x4; |
|
|
1886 | |
|
|
1887 | /* Middle face */ |
|
|
1888 | if (update_space (sl, socket, m, nx, ny, ax, ay, 1)) |
|
|
1889 | mask |= 0x2; |
|
|
1890 | |
|
|
1891 | if (socket.EMI_smooth) |
|
|
1892 | if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1)) |
|
|
1893 | emask |= 0x2; |
|
|
1894 | |
|
|
1895 | if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1)) |
|
|
1896 | { |
|
|
1897 | if (lastcell.faces[0] != pl->face->number) |
|
|
1898 | { |
|
|
1899 | lastcell.faces[0] = pl->face->number; |
|
|
1900 | mask |= 0x1; |
|
|
1901 | |
|
|
1902 | if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE)) |
|
|
1903 | esrv_send_face (&socket, pl->face->number, 0); |
|
|
1904 | |
|
|
1905 | sl << uint16 (pl->face->number); |
|
|
1906 | } |
|
|
1907 | } |
|
|
1908 | else |
|
|
1909 | { |
|
|
1910 | /* Top face */ |
|
|
1911 | if (update_space (sl, socket, m, nx, ny, ax, ay, 0)) |
|
|
1912 | mask |= 0x1; |
|
|
1913 | |
|
|
1914 | if (socket.EMI_smooth) |
|
|
1915 | if (update_smooth (esl, socket, m, nx, ny, ax, ay, 0)) |
|
|
1916 | emask |= 0x1; |
|
|
1917 | } |
|
|
1918 | |
|
|
1919 | /* Check to see if we are in fact sending anything for this |
|
|
1920 | * space by checking the mask. If so, update the mask. |
|
|
1921 | * if not, reset the len to that from before adding the mask |
|
|
1922 | * value, so we don't send those bits. |
|
|
1923 | */ |
|
|
1924 | if (mask & 0xf) |
|
|
1925 | sl[oldlen + 1] = mask & 0xff; |
|
|
1926 | else |
|
|
1927 | sl.reset (oldlen); |
|
|
1928 | |
|
|
1929 | if (emask & 0xf) |
|
|
1930 | esl[eoldlen + 1] = emask & 0xff; |
|
|
1931 | else |
|
|
1932 | esl.reset (eoldlen); |
|
|
1933 | } /* else this is a viewable space */ |
|
|
1934 | } /* for x loop */ |
|
|
1935 | } /* for y loop */ |
|
|
1936 | |
|
|
1937 | /* Verify that we in fact do need to send this */ |
|
|
1938 | if (socket.ext_mapinfos) |
|
|
1939 | { |
|
|
1940 | if (!(sl.length () > startlen || socket.sent_scroll)) |
|
|
1941 | { |
|
|
1942 | /* No map data will follow, so don't say the client |
|
|
1943 | * it doesn't need draw! |
|
|
1944 | */ |
|
|
1945 | ewhatflag &= (~EMI_NOREDRAW); |
|
|
1946 | esl[ewhatstart + 1] = ewhatflag & 0xff; |
|
|
1947 | } |
|
|
1948 | |
|
|
1949 | if (esl.length () > estartlen) |
|
|
1950 | socket.send_packet (esl); |
|
|
1951 | } |
|
|
1952 | |
|
|
1953 | if (sl.length () > startlen || socket.sent_scroll) |
|
|
1954 | { |
|
|
1955 | socket.send_packet (sl); |
|
|
1956 | socket.sent_scroll = 0; |
|
|
1957 | } |
|
|
1958 | } |
|
|
1959 | |
899 | |
1960 | /** |
900 | /** |
1961 | * Draws client map. |
901 | * Draws client map. |
1962 | */ |
902 | */ |
1963 | void |
903 | void |
1964 | draw_client_map (object *pl) |
904 | draw_client_map (player *pl) |
1965 | { |
905 | { |
1966 | int i, j; |
906 | object *ob = pl->viewpoint; |
1967 | sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ |
907 | if (!pl->observe->active) |
1968 | New_Face *face, *floor; |
|
|
1969 | New_Face *floor2; |
|
|
1970 | int d, mflags; |
|
|
1971 | struct Map newmap; |
|
|
1972 | maptile *m, *pm; |
|
|
1973 | |
|
|
1974 | if (pl->type != PLAYER) |
|
|
1975 | { |
|
|
1976 | LOG (llevError, "draw_client_map called with non player/non eric-server\n"); |
|
|
1977 | return; |
908 | return; |
1978 | } |
|
|
1979 | |
|
|
1980 | pm = pl->map; |
|
|
1981 | |
909 | |
1982 | /* If player is just joining the game, he isn't here yet, so the map |
910 | /* If player is just joining the game, he isn't here yet, so the map |
1983 | * can get swapped out. If so, don't try to send them a map. All will |
911 | * can get swapped out. If so, don't try to send them a map. All will |
1984 | * be OK once they really log in. |
912 | * be OK once they really log in. |
1985 | */ |
913 | */ |
1986 | if (pm == NULL || pm->in_memory != MAP_IN_MEMORY) |
914 | if (!ob->map || ob->map->in_memory != MAP_ACTIVE) |
1987 | return; |
915 | return; |
1988 | |
916 | |
1989 | memset (&newmap, 0, sizeof (struct Map)); |
917 | int startlen, oldlen; |
1990 | |
918 | |
1991 | for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++) |
919 | check_map_change (pl); |
1992 | for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++) |
920 | prefetch_surrounding_maps (pl->ob); |
|
|
921 | |
|
|
922 | /* do LOS after calls to update_position */ |
|
|
923 | /* unfortunately, we need to udpate los when observing, currently */ |
|
|
924 | if (pl->do_los || pl->viewpoint != pl->ob) |
|
|
925 | { |
|
|
926 | pl->do_los = 0; |
|
|
927 | pl->update_los (); |
|
|
928 | } |
|
|
929 | |
|
|
930 | /** |
|
|
931 | * This function uses the new map1 protocol command to send the map |
|
|
932 | * to the client. It is necessary because the old map command supports |
|
|
933 | * a maximum map size of 15x15. |
|
|
934 | * This function is much simpler than the old one. This is because |
|
|
935 | * the old function optimized to send as few face identifiers as possible, |
|
|
936 | * at the expense of sending more coordinate location (coordinates were |
|
|
937 | * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since |
|
|
938 | * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off |
|
|
939 | * maps no sense. Instead, we actually really only use 12 bits for coordinates, |
|
|
940 | * and use the other 4 bits for other informatiion. For full documentation |
|
|
941 | * of what we send, see the doc/Protocol file. |
|
|
942 | * I will describe internally what we do: |
|
|
943 | * the ns->lastmap shows how the map last looked when sent to the client. |
|
|
944 | * in the lastmap structure, there is a cells array, which is set to the |
|
|
945 | * maximum viewable size (As set in config.h). |
|
|
946 | * in the cells, there are faces and a count value. |
|
|
947 | * we use the count value to hold the darkness value. If -1, then this space |
|
|
948 | * is not viewable. |
|
|
949 | * we use faces[0] faces[1] faces[2] to hold what the three layers |
|
|
950 | * look like. |
|
|
951 | */ |
|
|
952 | |
|
|
953 | client &socket = *pl->ns; |
|
|
954 | |
|
|
955 | packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); |
|
|
956 | |
|
|
957 | startlen = sl.length (); |
|
|
958 | |
|
|
959 | int hx = socket.mapx / 2; |
|
|
960 | int hy = socket.mapy / 2; |
|
|
961 | |
|
|
962 | ordered_mapwalk_begin (ob, -hx, -hy, hx, hy) |
|
|
963 | int ax = dx + hx; |
|
|
964 | int ay = dy + hy; |
|
|
965 | |
|
|
966 | int mask = (ax << 10) | (ay << 4); |
|
|
967 | MapCell &lastcell = socket.lastmap.cells[ax][ay]; |
|
|
968 | |
|
|
969 | /* If the coordinates are not valid, or it is too dark to see, |
|
|
970 | * we tell the client as such |
|
|
971 | */ |
|
|
972 | if (!m) |
1993 | { |
973 | { |
1994 | ax = i; |
974 | /* space is out of map. Update space and clear values |
1995 | ay = j; |
975 | * if this hasn't already been done. If the space is out |
1996 | m = pm; |
976 | * of the map, it shouldn't have a head. |
1997 | mflags = get_map_flags (m, &m, ax, ay, &ax, &ay); |
|
|
1998 | |
|
|
1999 | if (mflags & P_OUT_OF_MAP) |
|
|
2000 | continue; |
|
|
2001 | |
|
|
2002 | /* If a map is visible to the player, we don't want to swap it out |
|
|
2003 | * just to reload it. This should really call something like |
|
|
2004 | * swap_map, but this is much more efficient and 'good enough' |
|
|
2005 | */ |
977 | */ |
2006 | if (mflags & P_NEW_MAP) |
978 | if (lastcell.count != -1) |
2007 | m->timeout = 50; |
979 | { |
|
|
980 | sl << uint16 (mask); |
|
|
981 | map_clearcell (&lastcell, -1); |
|
|
982 | } |
|
|
983 | |
|
|
984 | continue; |
2008 | } |
985 | } |
2009 | |
986 | |
2010 | /* do LOS after calls to update_position */ |
987 | int d = pl->blocked_los_uc (dx, dy); |
2011 | if (pl->contr->do_los) |
988 | |
|
|
989 | if (d > 3) |
2012 | { |
990 | { |
2013 | update_los (pl); |
991 | /* This block deals with spaces that are not visible for whatever |
2014 | pl->contr->do_los = 0; |
992 | * reason. Still may need to send the head for this space. |
|
|
993 | */ |
|
|
994 | if (lastcell.count != -1 |
|
|
995 | || lastcell.faces[0] |
|
|
996 | || lastcell.faces[1] |
|
|
997 | || lastcell.faces[2] |
|
|
998 | || lastcell.stat_hp |
|
|
999 | || lastcell.flags |
|
|
1000 | || lastcell.player) |
|
|
1001 | sl << uint16 (mask); |
|
|
1002 | |
|
|
1003 | /* properly clear a previously sent big face */ |
|
|
1004 | map_clearcell (&lastcell, -1); |
2015 | } |
1005 | } |
2016 | |
1006 | else |
2017 | /* Big maps need a different drawing mechanism to work */ |
|
|
2018 | draw_client_map1 (pl); |
|
|
2019 | } |
|
|
2020 | |
|
|
2021 | |
|
|
2022 | /*****************************************************************************/ |
|
|
2023 | |
|
|
2024 | /* GROS: The following one is used to allow a plugin to send a generic cmd to*/ |
|
|
2025 | |
|
|
2026 | /* a player. Of course, the client need to know the command to be able to */ |
|
|
2027 | |
|
|
2028 | /* manage it ! */ |
|
|
2029 | |
|
|
2030 | /*****************************************************************************/ |
|
|
2031 | void |
|
|
2032 | send_plugin_custom_message (object *pl, char *buf) |
|
|
2033 | { |
|
|
2034 | pl->contr->ns->send_packet (buf); |
|
|
2035 | } |
|
|
2036 | |
|
|
2037 | /** |
|
|
2038 | * This sends the skill number to name mapping. We ignore |
|
|
2039 | * the params - we always send the same info no matter what. |
|
|
2040 | */ |
|
|
2041 | void |
|
|
2042 | send_skill_info (client *ns, char *params) |
|
|
2043 | { |
|
|
2044 | packet sl; |
|
|
2045 | sl << "replyinfo skill_info\n"; |
|
|
2046 | |
|
|
2047 | for (int i = 1; i < NUM_SKILLS; i++) |
|
|
2048 | sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]); |
|
|
2049 | |
|
|
2050 | if (sl.length () >= MAXSOCKBUF) |
|
|
2051 | { |
1007 | { |
2052 | LOG (llevError, "Buffer overflow in send_skill_info!\n"); |
1008 | /* In this block, the space is visible. |
2053 | fatal (0); |
1009 | */ |
|
|
1010 | |
|
|
1011 | /* Rather than try to figure out what everything that we might |
|
|
1012 | * need to send is, then form the packet after that, |
|
|
1013 | * we presume that we will in fact form a packet, and update |
|
|
1014 | * the bits by what we do actually send. If we send nothing, |
|
|
1015 | * we just back out sl.length () to the old value, and no harm |
|
|
1016 | * is done. |
|
|
1017 | * I think this is simpler than doing a bunch of checks to see |
|
|
1018 | * what if anything we need to send, setting the bits, then |
|
|
1019 | * doing those checks again to add the real data. |
|
|
1020 | */ |
|
|
1021 | oldlen = sl.length (); |
|
|
1022 | |
|
|
1023 | sl << uint16 (mask); |
|
|
1024 | |
|
|
1025 | unsigned char dummy; |
|
|
1026 | unsigned char *last_ext = &dummy; |
|
|
1027 | |
|
|
1028 | /* Darkness changed */ |
|
|
1029 | if (lastcell.count != d) |
|
|
1030 | { |
|
|
1031 | mask |= 0x8; |
|
|
1032 | |
|
|
1033 | *last_ext |= 0x80; |
|
|
1034 | last_ext = &sl[sl.length ()]; |
|
|
1035 | sl << uint8 (d); |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | lastcell.count = d; |
|
|
1039 | |
|
|
1040 | mapspace &ms = m->at (nx, ny); |
|
|
1041 | ms.update (); |
|
|
1042 | |
|
|
1043 | // extmap handling |
|
|
1044 | uint8 stat_hp = 0; |
|
|
1045 | uint8 stat_width = 0; |
|
|
1046 | uint8 flags = 0; |
|
|
1047 | tag_t player = 0; |
|
|
1048 | |
|
|
1049 | // send hp information, if applicable |
|
|
1050 | if (object *op = ms.faces_obj [0]) |
|
|
1051 | if (op->is_head () && !op->invisible) |
|
|
1052 | { |
|
|
1053 | if (op->stats.maxhp > op->stats.hp |
|
|
1054 | && op->stats.maxhp > 0 |
|
|
1055 | && (op->type == PLAYER |
|
|
1056 | || op->type == DOOR // does not work, have maxhp 0 |
|
|
1057 | || op->flag [FLAG_MONSTER] |
|
|
1058 | || op->flag [FLAG_ALIVE] |
|
|
1059 | || op->flag [FLAG_GENERATOR])) |
|
|
1060 | { |
|
|
1061 | stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; |
|
|
1062 | stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge |
|
|
1063 | } |
|
|
1064 | |
|
|
1065 | if (expect_false (op->has_dialogue ())) |
|
|
1066 | flags |= 1; |
|
|
1067 | |
|
|
1068 | if (expect_false (op->type == PLAYER)) |
|
|
1069 | player = op == ob ? pl->ob->count |
|
|
1070 | : op == pl->ob ? ob->count |
|
|
1071 | : op->count; |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | if (expect_false (lastcell.stat_hp != stat_hp)) |
|
|
1075 | { |
|
|
1076 | lastcell.stat_hp = stat_hp; |
|
|
1077 | |
|
|
1078 | mask |= 0x8; |
|
|
1079 | *last_ext |= 0x80; |
|
|
1080 | last_ext = &sl[sl.length ()]; |
|
|
1081 | |
|
|
1082 | sl << uint8 (5) << uint8 (stat_hp); |
|
|
1083 | |
|
|
1084 | if (stat_width > 1) |
|
|
1085 | { |
|
|
1086 | *last_ext |= 0x80; |
|
|
1087 | last_ext = &sl[sl.length ()]; |
|
|
1088 | |
|
|
1089 | sl << uint8 (6) << uint8 (stat_width); |
|
|
1090 | } |
|
|
1091 | } |
|
|
1092 | |
|
|
1093 | if (expect_false (lastcell.player != player)) |
|
|
1094 | { |
|
|
1095 | lastcell.player = player; |
|
|
1096 | |
|
|
1097 | mask |= 0x8; |
|
|
1098 | *last_ext |= 0x80; |
|
|
1099 | last_ext = &sl[sl.length ()]; |
|
|
1100 | |
|
|
1101 | sl << uint8 (0x47) << uint8 (4) << (uint32)player; |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | if (expect_false (lastcell.flags != flags)) |
|
|
1105 | { |
|
|
1106 | lastcell.flags = flags; |
|
|
1107 | |
|
|
1108 | mask |= 0x8; |
|
|
1109 | *last_ext |= 0x80; |
|
|
1110 | last_ext = &sl[sl.length ()]; |
|
|
1111 | |
|
|
1112 | sl << uint8 (8) << uint8 (flags); |
|
|
1113 | } |
|
|
1114 | |
|
|
1115 | // faces |
|
|
1116 | |
|
|
1117 | /* Floor face */ |
|
|
1118 | if (update_space (sl, socket, ms, lastcell, 2)) |
|
|
1119 | mask |= 0x4; |
|
|
1120 | |
|
|
1121 | /* Middle face */ |
|
|
1122 | if (update_space (sl, socket, ms, lastcell, 1)) |
|
|
1123 | mask |= 0x2; |
|
|
1124 | |
|
|
1125 | if (expect_false (ob->invisible) |
|
|
1126 | && ob->invisible & (ob->invisible < 50 ? 1 : 7) |
|
|
1127 | && ms.player () == ob) |
|
|
1128 | { |
|
|
1129 | // force player to be visible to himself if invisible |
|
|
1130 | if (lastcell.faces[0] != ob->face) |
|
|
1131 | { |
|
|
1132 | lastcell.faces[0] = ob->face; |
|
|
1133 | |
|
|
1134 | mask |= 0x1; |
|
|
1135 | sl << uint16 (ob->face); |
|
|
1136 | |
|
|
1137 | socket.send_faces (ob); |
|
|
1138 | } |
|
|
1139 | } |
|
|
1140 | /* Top face */ |
|
|
1141 | else if (update_space (sl, socket, ms, lastcell, 0)) |
|
|
1142 | mask |= 0x1; |
|
|
1143 | |
|
|
1144 | /* Check to see if we are in fact sending anything for this |
|
|
1145 | * space by checking the mask. If so, update the mask. |
|
|
1146 | * if not, reset the len to that from before adding the mask |
|
|
1147 | * value, so we don't send those bits. |
|
|
1148 | */ |
|
|
1149 | if (mask & 0xf) |
|
|
1150 | sl[oldlen + 1] = mask & 0xff; |
|
|
1151 | else |
|
|
1152 | sl.reset (oldlen); |
|
|
1153 | } /* else this is a viewable space */ |
|
|
1154 | ordered_mapwalk_end |
|
|
1155 | |
|
|
1156 | socket.flush_fx (); |
|
|
1157 | |
|
|
1158 | if (sl.length () > startlen || socket.sent_scroll) |
2054 | } |
1159 | { |
2055 | |
|
|
2056 | ns->send_packet (sl); |
1160 | socket.send_packet (sl); |
2057 | } |
1161 | socket.sent_scroll = 0; |
2058 | |
|
|
2059 | /** |
|
|
2060 | * This sends the spell path to name mapping. We ignore |
|
|
2061 | * the params - we always send the same info no matter what. |
|
|
2062 | */ |
|
|
2063 | void |
|
|
2064 | send_spell_paths (client * ns, char *params) |
|
|
2065 | { |
|
|
2066 | packet sl; |
|
|
2067 | |
|
|
2068 | sl << "replyinfo spell_paths\n"; |
|
|
2069 | |
|
|
2070 | for (int i = 0; i < NRSPELLPATHS; i++) |
|
|
2071 | sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]); |
|
|
2072 | |
|
|
2073 | if (sl.length () >= MAXSOCKBUF) |
|
|
2074 | { |
1162 | } |
2075 | LOG (llevError, "Buffer overflow in send_spell_paths!\n"); |
|
|
2076 | fatal (0); |
|
|
2077 | } |
|
|
2078 | |
|
|
2079 | ns->send_packet (sl); |
|
|
2080 | } |
1163 | } |
2081 | |
1164 | |
2082 | /** |
1165 | /** |
2083 | * This looks for any spells the player may have that have changed their stats. |
1166 | * This looks for any spells the player may have that have changed their stats. |
2084 | * it then sends an updspell packet for each spell that has changed in this way |
1167 | * it then sends an updspell packet for each spell that has changed in this way |
… | |
… | |
2087 | esrv_update_spells (player *pl) |
1170 | esrv_update_spells (player *pl) |
2088 | { |
1171 | { |
2089 | if (!pl->ns) |
1172 | if (!pl->ns) |
2090 | return; |
1173 | return; |
2091 | |
1174 | |
|
|
1175 | pl->ns->update_spells = false; |
|
|
1176 | |
2092 | if (!pl->ns->monitor_spells) |
1177 | if (!pl->ns->monitor_spells) |
2093 | return; |
1178 | return; |
2094 | |
1179 | |
2095 | for (object *spell = pl->ob->inv; spell; spell = spell->below) |
1180 | for (object *spell = pl->ob->inv; spell; spell = spell->below) |
2096 | { |
|
|
2097 | if (spell->type == SPELL) |
1181 | if (spell->type == SPELL) |
2098 | { |
1182 | { |
2099 | int flags = 0; |
1183 | int flags = 0; |
|
|
1184 | int val; |
2100 | |
1185 | |
2101 | /* check if we need to update it */ |
1186 | /* check if we need to update it */ |
2102 | if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) |
1187 | val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); |
|
|
1188 | if (spell->cached_sp != val) |
2103 | { |
1189 | { |
2104 | spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); |
1190 | spell->cached_sp = val; |
2105 | flags |= UPD_SP_MANA; |
1191 | flags |= UPD_SP_MANA; |
2106 | } |
1192 | } |
2107 | |
1193 | |
2108 | if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) |
1194 | val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); |
|
|
1195 | if (spell->cached_grace != val) |
2109 | { |
1196 | { |
2110 | spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); |
1197 | spell->cached_grace = val; |
2111 | flags |= UPD_SP_GRACE; |
1198 | flags |= UPD_SP_GRACE; |
2112 | } |
1199 | } |
2113 | |
1200 | |
2114 | if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) |
1201 | val = casting_level (pl->ob, spell); |
|
|
1202 | if (spell->cached_eat != val) |
2115 | { |
1203 | { |
2116 | spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); |
1204 | spell->cached_eat = val; |
2117 | flags |= UPD_SP_DAMAGE; |
1205 | flags |= UPD_SP_LEVEL; |
2118 | } |
1206 | } |
2119 | |
1207 | |
2120 | if (flags) |
1208 | if (flags) |
2121 | { |
1209 | { |
2122 | packet sl; |
1210 | packet sl; |
2123 | |
1211 | |
2124 | sl << "updspell " |
1212 | sl << "updspell " |
2125 | << uint8 (flags) |
1213 | << uint8 (flags) |
2126 | << uint32 (spell->count); |
1214 | << uint32 (spell->count); |
2127 | |
1215 | |
2128 | if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); |
1216 | if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp); |
2129 | if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); |
1217 | if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace); |
2130 | if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); |
1218 | if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat); |
2131 | |
1219 | |
2132 | pl->ns->send_packet (sl); |
1220 | pl->ns->send_packet (sl); |
2133 | } |
1221 | } |
2134 | } |
1222 | } |
2135 | } |
|
|
2136 | } |
1223 | } |
2137 | |
1224 | |
2138 | void |
1225 | void |
2139 | esrv_remove_spell (player *pl, object *spell) |
1226 | esrv_remove_spell (player *pl, object *spell) |
2140 | { |
1227 | { |
… | |
… | |
2156 | |
1243 | |
2157 | /* appends the spell *spell to the Socklist we will send the data to. */ |
1244 | /* appends the spell *spell to the Socklist we will send the data to. */ |
2158 | static void |
1245 | static void |
2159 | append_spell (player *pl, packet &sl, object *spell) |
1246 | append_spell (player *pl, packet &sl, object *spell) |
2160 | { |
1247 | { |
2161 | int len, i, skill = 0; |
1248 | int i, skill = 0; |
2162 | |
1249 | |
2163 | if (!(spell->name)) |
1250 | if (!(spell->name)) |
2164 | { |
1251 | { |
2165 | LOG (llevError, "item number %d is a spell with no name.\n", spell->count); |
1252 | LOG (llevError, "item number %d is a spell with no name.\n", spell->count); |
2166 | return; |
1253 | return; |
2167 | } |
1254 | } |
2168 | |
1255 | |
2169 | /* store costs and damage in the object struct, to compare to later */ |
1256 | /* store costs and damage in the object struct, to compare to later */ |
2170 | spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); |
1257 | spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); |
2171 | spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); |
1258 | spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); |
2172 | spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); |
1259 | spell->cached_eat = casting_level (pl->ob, spell); |
2173 | |
1260 | |
2174 | /* figure out which skill it uses, if it uses one */ |
1261 | /* figure out which skill it uses, if it uses one */ |
2175 | if (spell->skill) |
1262 | if (spell->skill) |
2176 | { |
1263 | if (object *tmp = pl->find_skill (spell->skill)) |
2177 | for (i = 1; i < NUM_SKILLS; i++) |
1264 | skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp); |
2178 | if (!strcmp (spell->skill, skill_names[i])) |
1265 | |
2179 | { |
1266 | // spells better have a face |
2180 | skill = i + CS_STAT_SKILLINFO; |
1267 | if (!spell->face) |
2181 | break; |
|
|
2182 | } |
|
|
2183 | } |
1268 | { |
|
|
1269 | LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); |
|
|
1270 | spell->face = face_find ("burnout.x11", blank_face); |
|
|
1271 | } |
|
|
1272 | |
|
|
1273 | pl->ns->send_face (spell->face); |
2184 | |
1274 | |
2185 | /* send the current values */ |
1275 | /* send the current values */ |
2186 | sl << uint32 (spell->count) |
1276 | sl << uint32 (spell->count) |
2187 | << uint16 (spell->level) |
1277 | << uint16 (spell->level) |
2188 | << uint16 (spell->casting_time) |
1278 | << uint16 (spell->casting_time) |
2189 | << uint16 (spell->last_sp) |
1279 | << uint16 (spell->cached_sp) |
2190 | << uint16 (spell->last_grace) |
1280 | << uint16 (spell->cached_grace) |
2191 | << uint16 (spell->last_eat) |
1281 | << uint16 (spell->cached_eat) |
2192 | << uint8 (skill) |
1282 | << uint8 (skill) |
2193 | << uint32 (spell->path_attuned) |
1283 | << uint32 (spell->path_attuned) |
2194 | << uint32 (spell->face ? spell->face->number : 0) |
1284 | << uint32 (spell->face) |
2195 | << data8 (spell->name) |
1285 | << data8 (spell->name) |
2196 | << data16 (spell->msg); |
1286 | << data16 (spell->msg); |
2197 | } |
1287 | } |
2198 | |
1288 | |
2199 | /** |
1289 | /** |
… | |
… | |
2214 | |
1304 | |
2215 | packet sl ("addspell"); |
1305 | packet sl ("addspell"); |
2216 | |
1306 | |
2217 | if (!spell) |
1307 | if (!spell) |
2218 | { |
1308 | { |
2219 | for (spell = pl->ob->inv; spell != NULL; spell = spell->below) |
1309 | for (spell = pl->ob->inv; spell; spell = spell->below) |
2220 | { |
1310 | { |
2221 | /* were we to simply keep appending data here, we could exceed |
1311 | /* were we to simply keep appending data here, we could exceed |
2222 | * MAXSOCKBUF if the player has enough spells to add, we know that |
1312 | * MAXSOCKBUF if the player has enough spells to add, we know that |
2223 | * append_spells will always append 19 data bytes, plus 4 length |
1313 | * append_spells will always append 19 data bytes, plus 4 length |
2224 | * bytes and 3 strings (because that is the spec) so we need to |
1314 | * bytes and 3 strings (because that is the spec) so we need to |
2225 | * check that the length of those 3 strings, plus the 23 bytes, |
1315 | * check that the length of those 3 strings, plus the 23 bytes, |
2226 | * won't take us over the length limit for the socket, if it does, |
1316 | * won't take us over the length limit for the socket, if it does, |
2227 | * we need to send what we already have, and restart packet formation |
1317 | * we need to send what we already have, and restart packet formation |
2228 | */ |
1318 | */ |
|
|
1319 | if (spell->type != SPELL) |
|
|
1320 | continue; |
|
|
1321 | |
2229 | /* Seeing crashes by overflowed buffers. Quick arithemetic seems |
1322 | /* Seeing crashes by overflowed buffers. Quick arithemetic seems |
2230 | * to show add_spell is 26 bytes + 2 strings. However, the overun |
1323 | * to show add_spell is 26 bytes + 2 strings. However, the overun |
2231 | * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem |
1324 | * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem |
2232 | * like it will fix this |
1325 | * like it will fix this |
2233 | */ |
1326 | */ |
2234 | if (spell->type != SPELL) |
|
|
2235 | continue; |
|
|
2236 | |
|
|
2237 | if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) |
1327 | if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) |
2238 | { |
1328 | { |
|
|
1329 | pl->ns->flush_fx (); |
2239 | pl->ns->send_packet (sl); |
1330 | pl->ns->send_packet (sl); |
2240 | |
1331 | |
2241 | sl.reset (); |
1332 | sl.reset (); |
2242 | sl << "addspell "; |
1333 | sl << "addspell "; |
2243 | } |
1334 | } |
… | |
… | |
2251 | return; |
1342 | return; |
2252 | } |
1343 | } |
2253 | else |
1344 | else |
2254 | append_spell (pl, sl, spell); |
1345 | append_spell (pl, sl, spell); |
2255 | |
1346 | |
2256 | if (sl.length () >= MAXSOCKBUF) |
1347 | if (sl.length () > MAXSOCKBUF) |
2257 | { |
|
|
2258 | LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); |
1348 | cleanup ("buffer overflow in esrv_add_spells!"); |
2259 | fatal (0); |
|
|
2260 | } |
|
|
2261 | |
1349 | |
2262 | /* finally, we can send the packet */ |
1350 | /* finally, we can send the packet */ |
|
|
1351 | pl->ns->flush_fx (); |
2263 | pl->ns->send_packet (sl); |
1352 | pl->ns->send_packet (sl); |
2264 | } |
1353 | } |
2265 | |
1354 | |
|
|
1355 | //-GPL |
|
|
1356 | |